{"id":"https://openalex.org/W7123889409","doi":"https://doi.org/10.1016/j.psyneuen.2026.107744","title":"Multicenter comparison of LC-MS/MS, radioimmunoassay, and ELISA for assessment of salivary progesterone and estradiol","display_name":"Multicenter comparison of LC-MS/MS, radioimmunoassay, and ELISA for assessment of salivary progesterone and estradiol","publication_year":2026,"publication_date":"2026-01-13","ids":{"openalex":"https://openalex.org/W7123889409","doi":"https://doi.org/10.1016/j.psyneuen.2026.107744","pmid":"https://pubmed.ncbi.nlm.nih.gov/41570522"},"language":"en","primary_location":{"id":"doi:10.1016/j.psyneuen.2026.107744","doi":"https://doi.org/10.1016/j.psyneuen.2026.107744","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.psyneuen.2026.107744","pdf_url":null,"source":{"id":"https://openalex.org/S81924583","display_name":"Psychoneuroendocrinology","issn_l":"0306-4530","issn":["0306-4530","1873-3360"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","doyens","jufo-2","ki-jl-2","medline","norway-2"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Psychoneuroendocrinology","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1016/j.psyneuen.2026.107744","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5090507721","display_name":"Gelena Dlugash","orcid":"https://orcid.org/0000-0003-1684-0760","observed_orcids":["https://orcid.org/0000-0003-1684-0760"]},"institutions":[{"id":"https://openalex.org/I181369854","display_name":"Friedrich-Alexander-Universit\u00e4t Erlangen-N\u00fcrnberg","ror":"https://ror.org/00f7hpc57","country_code":"DE","type":"education","lineage":["https://openalex.org/I181369854"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Gelena Dlugash","raw_affiliation_strings":["Department of Psychology, Friedrich-Alexander University Erlangen-N\u00fcrnberg, Germany. Electronic address: gelena.dlugash@fau.de"],"raw_orcid":"https://orcid.org/0000-0003-1684-0760","affiliations":[{"raw_affiliation_string":"Department of Psychology, Friedrich-Alexander University Erlangen-N\u00fcrnberg, Germany. Electronic address: gelena.dlugash@fau.de","institution_ids":["https://openalex.org/I181369854"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5122949525","display_name":"Manfred Rauh","orcid":"https://orcid.org/0000-0002-4852-7157","observed_orcids":["https://orcid.org/0000-0002-4852-7157"]},"institutions":[{"id":"https://openalex.org/I181369854","display_name":"Friedrich-Alexander-Universit\u00e4t Erlangen-N\u00fcrnberg","ror":"https://ror.org/00f7hpc57","country_code":"DE","type":"education","lineage":["https://openalex.org/I181369854"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Manfred Rauh","raw_affiliation_strings":["Department of Pediatrics, Friedrich Alexander University Erlangen-N\u00fcrnberg, Germany"],"raw_orcid":"https://orcid.org/0000-0002-4852-7157","affiliations":[{"raw_affiliation_string":"Department of Pediatrics, Friedrich Alexander University Erlangen-N\u00fcrnberg, Germany","institution_ids":["https://openalex.org/I181369854"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009354211","display_name":"Justin M. Carr\u00e9","orcid":"https://orcid.org/0000-0002-8967-9288","observed_orcids":["https://orcid.org/0000-0002-8967-9288"]},"institutions":[{"id":"https://openalex.org/I138900291","display_name":"Nipissing University","ror":"https://ror.org/05k14ba46","country_code":"CA","type":"education","lineage":["https://openalex.org/I138900291"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Justin M. Carr\u00e9","raw_affiliation_strings":["Department of Psychology, Nipissing University, North Bay, ON, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Psychology, Nipissing University, North Bay, ON, Canada","institution_ids":["https://openalex.org/I138900291"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075511761","display_name":"Ashley L. Marcellus","orcid":"https://orcid.org/0000-0003-4093-2454","observed_orcids":["https://orcid.org/0000-0003-4093-2454"]},"institutions":[{"id":"https://openalex.org/I138900291","display_name":"Nipissing University","ror":"https://ror.org/05k14ba46","country_code":"CA","type":"education","lineage":["https://openalex.org/I138900291"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Ashley Marcellus","raw_affiliation_strings":["Department of Psychology, Nipissing University, North Bay, ON, Canada"],"raw_orcid":"https://orcid.org/0000-0003-4093-2454","affiliations":[{"raw_affiliation_string":"Department of Psychology, Nipissing University, North Bay, ON, Canada","institution_ids":["https://openalex.org/I138900291"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5119720709","display_name":"Susan Plachecki","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I78650965","display_name":"Technische Universit\u00e4t Dresden","ror":"https://ror.org/042aqky30","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Susan Plachecki","raw_affiliation_strings":["Department of Psychology, Technical University Dresden, Dresden, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Psychology, Technical University Dresden, Dresden, Germany","institution_ids":["https://openalex.org/I78650965"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090926153","display_name":"Elizabeth Hampson","orcid":"https://orcid.org/0000-0003-4487-9013","observed_orcids":["https://orcid.org/0000-0003-4487-9013"]},"institutions":[{"id":"https://openalex.org/I125749732","display_name":"Western University","ror":"https://ror.org/02grkyz14","country_code":"CA","type":"education","lineage":["https://openalex.org/I125749732"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Elizabeth Hampson","raw_affiliation_strings":["Department of Psychology, University of Western Ontario, London, ON, Canada"],"raw_orcid":"https://orcid.org/0000-0003-4487-9013","affiliations":[{"raw_affiliation_string":"Department of Psychology, University of Western Ontario, London, ON, Canada","institution_ids":["https://openalex.org/I125749732"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067171492","display_name":"Oliver C. Schultheiss","orcid":"https://orcid.org/0000-0002-7892-5228","observed_orcids":["https://orcid.org/0000-0002-7892-5228"]},"institutions":[{"id":"https://openalex.org/I181369854","display_name":"Friedrich-Alexander-Universit\u00e4t Erlangen-N\u00fcrnberg","ror":"https://ror.org/00f7hpc57","country_code":"DE","type":"education","lineage":["https://openalex.org/I181369854"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Oliver C. Schultheiss","raw_affiliation_strings":["Department of Psychology, Friedrich-Alexander University Erlangen-N\u00fcrnberg, Germany"],"raw_orcid":"https://orcid.org/0000-0002-7892-5228","affiliations":[{"raw_affiliation_string":"Department of Psychology, Friedrich-Alexander University Erlangen-N\u00fcrnberg, Germany","institution_ids":["https://openalex.org/I181369854"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5090507721"],"corresponding_institution_ids":["https://openalex.org/I181369854"],"apc_list":{"value":3830,"currency":"USD","value_usd":3830},"apc_paid":{"value":3830,"currency":"USD","value_usd":3830},"fwci":4.159,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.88179428,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":96},"biblio":{"volume":"186","issue":null,"first_page":"107744","last_page":"107744"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11314","display_name":"Clinical Laboratory Practices and Quality Control","score":0.35350000858306885,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11314","display_name":"Clinical Laboratory Practices and Quality Control","score":0.35350000858306885,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10756","display_name":"Estrogen and related hormone effects","score":0.12960000336170197,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10529","display_name":"Stress Responses and Cortisol","score":0.11410000175237656,"subfield":{"id":"https://openalex.org/subfields/2802","display_name":"Behavioral Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/salivary-progesterone","display_name":"salivary progesterone","score":0.9480000138282776},{"id":"https://openalex.org/keywords/salivary-estradiol","display_name":"salivary estradiol","score":0.9990000128746033},{"id":"https://openalex.org/keywords/lc-ms-ms","display_name":"LC-MS/MS","score":0.8410000205039978},{"id":"https://openalex.org/keywords/radioimmunoassay","display_name":"radioimmunoassay","score":0.9829999804496765},{"id":"https://openalex.org/keywords/elisa","display_name":"ELISA","score":0.9869999885559082},{"id":"https://openalex.org/keywords/method-comparison","display_name":"method comparison","score":0.8190000057220459},{"id":"https://openalex.org/keywords/inter-method-agreement","display_name":"inter-method agreement","score":0.6029999852180481},{"id":"https://openalex.org/keywords/menstrual-cycle","display_name":"menstrual cycle","score":0.6740000247955322},{"id":"https://openalex.org/keywords/luteal-phase","display_name":"luteal phase","score":0.8970000147819519},{"id":"https://openalex.org/keywords/follicular-phase","display_name":"follicular phase","score":0.8690000176429749},{"id":"https://openalex.org/keywords/method-validation","display_name":"method validation","score":0.43700000643730164},{"id":"https://openalex.org/keywords/quality-control-samples","display_name":"quality control samples","score":0.4909999966621399}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5486000180244446},{"id":"https://openalex.org/C71315377","wikidata":"https://www.wikidata.org/wiki/Q11364","display_name":"Hormone","level":2,"score":0.42989999055862427},{"id":"https://openalex.org/C2992435398","wikidata":"https://www.wikidata.org/wiki/Q6934595","display_name":"Multicenter study","level":3,"score":0.40689998865127563},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.39340001344680786},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.3614000082015991},{"id":"https://openalex.org/C176685330","wikidata":"https://www.wikidata.org/wiki/Q857638","display_name":"Radioimmunoassay","level":2,"score":0.3237000107765198},{"id":"https://openalex.org/C42407357","wikidata":"https://www.wikidata.org/wiki/Q521","display_name":"Physiology","level":1,"score":0.29679998755455017},{"id":"https://openalex.org/C203014093","wikidata":"https://www.wikidata.org/wiki/Q101929","display_name":"Immunology","level":1,"score":0.2467000037431717},{"id":"https://openalex.org/C159654299","wikidata":"https://www.wikidata.org/wiki/Q79460","display_name":"Antibody","level":2,"score":0.23770000040531158},{"id":"https://openalex.org/C2779279991","wikidata":"https://www.wikidata.org/wiki/Q6058681","display_name":"Testosterone (patch)","level":2,"score":0.2029000073671341}],"mesh":[{"descriptor_ui":"D000097922","descriptor_name":"Liquid Chromatography-Mass Spectrometry","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000097922","descriptor_name":"Liquid Chromatography-Mass Spectrometry","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000097922","descriptor_name":"Liquid Chromatography-Mass Spectrometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D000097922","descriptor_name":"Liquid Chromatography-Mass Spectrometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D000097922","descriptor_name":"Liquid Chromatography-Mass Spectrometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D000097922","descriptor_name":"Liquid Chromatography-Mass Spectrometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002853","descriptor_name":"Chromatography, Liquid","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D002853","descriptor_name":"Chromatography, Liquid","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D002853","descriptor_name":"Chromatography, Liquid","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D002853","descriptor_name":"Chromatography, Liquid","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D002853","descriptor_name":"Chromatography, Liquid","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D002853","descriptor_name":"Chromatography, Liquid","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D004797","descriptor_name":"Enzyme-Linked Immunosorbent Assay","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D004797","descriptor_name":"Enzyme-Linked Immunosorbent Assay","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D004797","descriptor_name":"Enzyme-Linked Immunosorbent Assay","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D004797","descriptor_name":"Enzyme-Linked Immunosorbent Assay","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D004797","descriptor_name":"Enzyme-Linked Immunosorbent Assay","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D004797","descriptor_name":"Enzyme-Linked Immunosorbent Assay","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D004797","descriptor_name":"Enzyme-Linked Immunosorbent Assay","qualifier_ui":"Q000592","qualifier_name":"standards","is_major_topic":false},{"descriptor_ui":"D004797","descriptor_name":"Enzyme-Linked Immunosorbent Assay","qualifier_ui":"Q000592","qualifier_name":"standards","is_major_topic":false},{"descriptor_ui":"D004958","descriptor_name":"Estradiol","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D004958","descriptor_name":"Estradiol","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D004958","descriptor_name":"Estradiol","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D004958","descriptor_name":"Estradiol","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D004958","descriptor_name":"Estradiol","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D004958","descriptor_name":"Estradiol","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D004958","descriptor_name":"Estradiol","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D004958","descriptor_name":"Estradiol","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D004958","descriptor_name":"Estradiol","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D004958","descriptor_name":"Estradiol","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008597","descriptor_name":"Menstrual Cycle","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D008597","descriptor_name":"Menstrual Cycle","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D008597","descriptor_name":"Menstrual Cycle","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D008597","descriptor_name":"Menstrual Cycle","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D008597","descriptor_name":"Menstrual Cycle","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D008597","descriptor_name":"Menstrual Cycle","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D008597","descriptor_name":"Menstrual Cycle","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D008597","descriptor_name":"Menstrual Cycle","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D011374","descriptor_name":"Progesterone","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D011374","descriptor_name":"Progesterone","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D011374","descriptor_name":"Progesterone","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D011374","descriptor_name":"Progesterone","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D011374","descriptor_name":"Progesterone","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D011374","descriptor_name":"Progesterone","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D011374","descriptor_name":"Progesterone","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D011374","descriptor_name":"Progesterone","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D011374","descriptor_name":"Progesterone","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D011374","descriptor_name":"Progesterone","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D011374","descriptor_name":"Progesterone","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D011374","descriptor_name":"Progesterone","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D011863","descriptor_name":"Radioimmunoassay","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D011863","descriptor_name":"Radioimmunoassay","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D011863","descriptor_name":"Radioimmunoassay","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D011863","descriptor_name":"Radioimmunoassay","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D011863","descriptor_name":"Radioimmunoassay","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D011863","descriptor_name":"Radioimmunoassay","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D011863","descriptor_name":"Radioimmunoassay","qualifier_ui":"Q000592","qualifier_name":"standards","is_major_topic":false},{"descriptor_ui":"D011863","descriptor_name":"Radioimmunoassay","qualifier_ui":"Q000592","qualifier_name":"standards","is_major_topic":false},{"descriptor_ui":"D012463","descriptor_name":"Saliva","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true},{"descriptor_ui":"D012463","descriptor_name":"Saliva","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true},{"descriptor_ui":"D012463","descriptor_name":"Saliva","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true},{"descriptor_ui":"D012463","descriptor_name":"Saliva","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true},{"descriptor_ui":"D012463","descriptor_name":"Saliva","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true},{"descriptor_ui":"D012463","descriptor_name":"Saliva","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D053719","descriptor_name":"Tandem Mass Spectrometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D053719","descriptor_name":"Tandem Mass Spectrometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D053719","descriptor_name":"Tandem Mass Spectrometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D053719","descriptor_name":"Tandem Mass Spectrometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D053719","descriptor_name":"Tandem Mass Spectrometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D053719","descriptor_name":"Tandem Mass Spectrometry","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1016/j.psyneuen.2026.107744","doi":"https://doi.org/10.1016/j.psyneuen.2026.107744","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.psyneuen.2026.107744","pdf_url":null,"source":{"id":"https://openalex.org/S81924583","display_name":"Psychoneuroendocrinology","issn_l":"0306-4530","issn":["0306-4530","1873-3360"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","doyens","jufo-2","ki-jl-2","medline","norway-2"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Psychoneuroendocrinology","raw_type":"journal-article"},{"id":"pmid:41570522","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/41570522","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Psychoneuroendocrinology","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1016/j.psyneuen.2026.107744","doi":"https://doi.org/10.1016/j.psyneuen.2026.107744","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.psyneuen.2026.107744","pdf_url":null,"source":{"id":"https://openalex.org/S81924583","display_name":"Psychoneuroendocrinology","issn_l":"0306-4530","issn":["0306-4530","1873-3360"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","doyens","jufo-2","ki-jl-2","medline","norway-2"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Psychoneuroendocrinology","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.9391000270843506,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"sustainable_development_goals_aurora":[{"score":0.6543158292770386,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320873","display_name":"Friedrich-Alexander-Universit\u00e4t Erlangen-N\u00fcrnberg","ror":"https://ror.org/00f7hpc57"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":53,"referenced_works":["https://openalex.org/W608643496","https://openalex.org/W621251951","https://openalex.org/W1687967872","https://openalex.org/W1979713715","https://openalex.org/W1987499470","https://openalex.org/W2005908626","https://openalex.org/W2006516284","https://openalex.org/W2034830145","https://openalex.org/W2035077742","https://openalex.org/W2047533940","https://openalex.org/W2054814428","https://openalex.org/W2056439165","https://openalex.org/W2082994825","https://openalex.org/W2099932924","https://openalex.org/W2111784156","https://openalex.org/W2112523586","https://openalex.org/W2113627743","https://openalex.org/W2113947213","https://openalex.org/W2116024161","https://openalex.org/W2116052476","https://openalex.org/W2126406667","https://openalex.org/W2134827348","https://openalex.org/W2139383973","https://openalex.org/W2141061065","https://openalex.org/W2149658577","https://openalex.org/W2150478567","https://openalex.org/W2154484811","https://openalex.org/W2159377040","https://openalex.org/W2159759971","https://openalex.org/W2167929578","https://openalex.org/W2172205559","https://openalex.org/W2337121016","https://openalex.org/W2396234216","https://openalex.org/W2522573018","https://openalex.org/W2558369501","https://openalex.org/W2574552871","https://openalex.org/W2895814721","https://openalex.org/W2898456689","https://openalex.org/W2900004308","https://openalex.org/W2945646457","https://openalex.org/W2986947158","https://openalex.org/W2998660938","https://openalex.org/W3009716854","https://openalex.org/W3012488758","https://openalex.org/W3092518434","https://openalex.org/W3093216604","https://openalex.org/W3132820229","https://openalex.org/W3196375837","https://openalex.org/W4213201955","https://openalex.org/W4311755530","https://openalex.org/W4313345553","https://openalex.org/W4390743123","https://openalex.org/W4407080336"],"related_works":[],"abstract_inverted_index":{"INTRODUCTION:":[0],"For":[1,184,214,241],"psychoneuroendocrinology,":[2],"accurate":[3,317],"measurement":[4],"of":[5,69,143,212,226,275,291,294,360],"progesterone":[6],"(P4)":[7],"and":[8,21,26,33,40,72,78,89,95,108,128,131,146,157,178,222,230,233,245,262,287,302,318,323,351,364],"estradiol":[9],"(E2)":[10],"in":[11,45,92,189,198,368],"saliva":[12],"is":[13],"crucial":[14],"for":[15,138,228,253,298,321],"understanding":[16],"the":[17,37,67,93,102,116,126,243,267,295,358],"menstrual":[18,129,190],"cycle":[19,110],"phase":[20],"its":[22],"impact":[23],"on":[24],"physiology":[25],"behavior.":[27],"Although":[28,333],"enzyme-linked":[29],"immunosorbent":[30],"assay":[31],"(ELISA)":[32],"radioimmunoassay":[34],"(RIA)":[35],"are":[36,41],"preferred":[38],"methods":[39,160,363],"more":[42,55,316],"often":[43,347],"found":[44,218],"research":[46,369],"labs,":[47],"liquid":[48],"chromatography-mass":[49],"spectrometry":[50],"(LC-MS/MS)":[51],"may":[52],"provide":[53],"a":[54,272],"valid":[56],"salivary":[57,76],"steroids":[58],"assessment.":[59],"In":[60,224],"this":[61],"study,":[62],"we":[63],"aimed":[64],"to":[65,74,168,200,239,306,338],"compare":[66],"performance":[68,337],"LC-MS/MS,":[70,285,339],"ELISA,":[71,156],"RIA":[73,234,303,334],"measure":[75],"P4":[77,229,322],"E2.":[79],"METHOD:":[80],"Samples":[81],"were":[82,150,166,192,217,257,289,304],"collected":[83],"from":[84,344],"120":[85],"participants,":[86],"81":[87],"men":[88],"39":[90],"women,":[91],"morning":[94],"evening.":[96],"Additionally,":[97],"women":[98],"provided":[99,315],"samples":[100,134,145,149],"during":[101],"early":[103],"follicular":[104],"(cycle":[105,112],"days":[106,113],"3-5)":[107],"luteal":[109],"phases":[111],"21-23)":[114],"using":[115,152],"forward-count":[117],"method.":[118],"The":[119],"study":[120],"considered":[121],"natural":[122,186],"hormone":[123,187,349],"fluctuations":[124,188],"(e.g.,":[125],"diurnal":[127,210],"cycles)":[130],"quality":[132,147],"control":[133,148],"as":[135],"validity":[136],"criteria":[137,297],"method":[139],"evaluation.":[140],"A":[141],"total":[142],"336":[144],"analyzed":[151],"one":[153],"RIA,":[154,286],"two":[155,158],"LC-MS/MS":[159,202,221,301,314],"across":[161],"four":[162],"labs.":[163],"Correlational":[164],"analyses":[165],"performed":[167],"assess":[169],"inter-lab":[170,179],"x":[171,175,180],"inter-method":[172,176,255],"reliability,":[173,177],"intra-lab":[174],"intra-method":[181,246,269],"reliability.":[182],"RESULTS:":[183],"P4,":[185,242,299],"cycles":[191],"detected":[193,207],"by":[194,220],"all":[195,204],"methods.":[196],"However,":[197],"contrast":[199],"both":[201],"methods,":[203],"immunoassays":[205],"(IAs)":[206],"an":[208],"unexpected":[209],"decline":[211],"P4.":[213],"E2,":[215,231,254,324],"they":[216],"only":[219,300],"RIA.":[223],"terms":[225],"means,":[227],"ELISA":[232,268,288,346],"produced":[235],"higher":[236],"values":[237],"compared":[238],"LC-MS/MS.":[240],"inter-":[244],"convergence":[247],"was":[248],"r":[249,259,263,276],"\u2265":[250],".92.":[251],"As":[252],"correlations":[256],"between":[258],"=":[260,264,277],"-.12":[261],".23,":[265],"while":[266,284],"comparison":[270],"showed":[271,335],"correlation":[273],"coefficient":[274],".85.":[278],"DISCUSSION:":[279],"Our":[280],"findings":[281],"suggest":[282],"that":[283],"capable":[290],"meeting":[292],"most":[293],"specified":[296],"able":[305],"perform":[307],"similarly":[308],"sufficiently":[309],"at":[310,326],"low":[311,327],"E2":[312],"levels.":[313],"reliable":[319],"measurements":[320],"especially":[325],"concentrations,":[328],"but":[329],"encountered":[330],"challenges,":[331],"too.":[332],"comparable":[336],"it":[340],"still":[341],"suffered":[342],"partly":[343],"cross-reactivity.":[345],"overestimated":[348],"levels":[350],"exhibited":[352],"greater":[353],"divergence.":[354],"These":[355],"differences":[356],"highlight":[357],"importance":[359],"carefully":[361],"selecting":[362],"considering":[365],"their":[366],"limitations":[367],"applications.":[370]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-09-24T07:57:37.273135","created_date":"2026-01-14T00:00:00"}
