{"id":"https://openalex.org/W2028933014","doi":"https://doi.org/10.1111/cen.12085","title":"A novel mass spectrometry\u2010based method for determining insulin\u2010like growth factor 1: assessment in a cohort of subjects with newly diagnosed acromegaly","display_name":"A novel mass spectrometry\u2010based method for determining insulin\u2010like growth factor 1: assessment in a cohort of subjects with newly diagnosed acromegaly","publication_year":2012,"publication_date":"2012-11-02","ids":{"openalex":"https://openalex.org/W2028933014","doi":"https://doi.org/10.1111/cen.12085","mag":"2028933014","pmid":"https://pubmed.ncbi.nlm.nih.gov/23121616"},"language":"en","primary_location":{"id":"doi:10.1111/cen.12085","doi":"https://doi.org/10.1111/cen.12085","is_oa":false,"landing_page_url":"https://doi.org/10.1111/cen.12085","pdf_url":null,"source":{"id":"https://openalex.org/S182143151","display_name":"Clinical Endocrinology","issn_l":"0300-0664","issn":["0300-0664","1365-2265"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Clinical Endocrinology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5044341834","display_name":"Richard G. Kay","orcid":"https://orcid.org/0000-0002-3827-8687","observed_orcids":["https://orcid.org/0000-0002-3827-8687"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Richard Kay","raw_affiliation_strings":["Quotient Bioresearch Ltd Fordham Cambridgeshire UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Quotient Bioresearch Ltd Fordham Cambridgeshire UK","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076041078","display_name":"David John Halsall","orcid":"https://orcid.org/0000-0002-2301-6449","observed_orcids":["https://orcid.org/0000-0002-2301-6449"]},"institutions":[{"id":"https://openalex.org/I4210156194","display_name":"Addenbrooke's Hospital","ror":"https://ror.org/055vbxf86","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802466933","https://openalex.org/I4210156194"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"David J. Halsall","raw_affiliation_strings":["Department of Clinical Biochemistry Addenbrooke's Hospital, Cambridge Cambridge UK","Addenbrooke's Hospital, Cambridge Department of Clinical Biochemistry Cambridge UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Clinical Biochemistry Addenbrooke's Hospital, Cambridge Cambridge UK","institution_ids":["https://openalex.org/I4210156194"]},{"raw_affiliation_string":"Addenbrooke's Hospital, Cambridge Department of Clinical Biochemistry Cambridge UK","institution_ids":["https://openalex.org/I4210156194"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041859725","display_name":"Anand Kumar Annamalai","orcid":"https://orcid.org/0000-0002-7838-3115","observed_orcids":["https://orcid.org/0000-0002-7838-3115"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]},{"id":"https://openalex.org/I4210156194","display_name":"Addenbrooke's Hospital","ror":"https://ror.org/055vbxf86","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802466933","https://openalex.org/I4210156194"]},{"id":"https://openalex.org/I4389425352","display_name":"NIHR Cambridge Biomedical Research Centre","ror":"https://ror.org/05m8dr349","country_code":"GB","type":"facility","lineage":["https://openalex.org/I241749","https://openalex.org/I2802466933","https://openalex.org/I34931013","https://openalex.org/I4389425352"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Anand K. Annamalai","raw_affiliation_strings":["Metabolic Research Laboratories, Institute of Metabolic Science, University of Cambridge and National Institute for Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Metabolic Research Laboratories, Institute of Metabolic Science, University of Cambridge and National Institute for Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK","institution_ids":["https://openalex.org/I241749","https://openalex.org/I4210156194","https://openalex.org/I4389425352"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086550544","display_name":"Narayanan Kandasamy","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]},{"id":"https://openalex.org/I4210156194","display_name":"Addenbrooke's Hospital","ror":"https://ror.org/055vbxf86","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802466933","https://openalex.org/I4210156194"]},{"id":"https://openalex.org/I4389425352","display_name":"NIHR Cambridge Biomedical Research Centre","ror":"https://ror.org/05m8dr349","country_code":"GB","type":"facility","lineage":["https://openalex.org/I241749","https://openalex.org/I2802466933","https://openalex.org/I34931013","https://openalex.org/I4389425352"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Narayanan Kandasamy","raw_affiliation_strings":["Metabolic Research Laboratories, Institute of Metabolic Science, University of Cambridge and National Institute for Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Metabolic Research Laboratories, Institute of Metabolic Science, University of Cambridge and National Institute for Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK","institution_ids":["https://openalex.org/I241749","https://openalex.org/I4210156194","https://openalex.org/I4389425352"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052572750","display_name":"Kevin Taylor","orcid":"https://orcid.org/0000-0001-8648-0081","observed_orcids":["https://orcid.org/0000-0001-8648-0081"]},"institutions":[{"id":"https://openalex.org/I4210156194","display_name":"Addenbrooke's Hospital","ror":"https://ror.org/055vbxf86","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802466933","https://openalex.org/I4210156194"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Kevin Taylor","raw_affiliation_strings":["Department of Clinical Biochemistry Addenbrooke's Hospital, Cambridge Cambridge UK","Addenbrooke's Hospital, Cambridge Department of Clinical Biochemistry Cambridge UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Clinical Biochemistry Addenbrooke's Hospital, Cambridge Cambridge UK","institution_ids":["https://openalex.org/I4210156194"]},{"raw_affiliation_string":"Addenbrooke's Hospital, Cambridge Department of Clinical Biochemistry Cambridge UK","institution_ids":["https://openalex.org/I4210156194"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000177863","display_name":"Susanna Fenwick","orcid":"https://orcid.org/0000-0002-6993-8246","observed_orcids":["https://orcid.org/0000-0002-6993-8246"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Susanna Fenwick","raw_affiliation_strings":["Quotient Bioresearch Ltd Fordham Cambridgeshire UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Quotient Bioresearch Ltd Fordham Cambridgeshire UK","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014981112","display_name":"Alison Webb","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]},{"id":"https://openalex.org/I4210156194","display_name":"Addenbrooke's Hospital","ror":"https://ror.org/055vbxf86","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802466933","https://openalex.org/I4210156194"]},{"id":"https://openalex.org/I4389425352","display_name":"NIHR Cambridge Biomedical Research Centre","ror":"https://ror.org/05m8dr349","country_code":"GB","type":"facility","lineage":["https://openalex.org/I241749","https://openalex.org/I2802466933","https://openalex.org/I34931013","https://openalex.org/I4389425352"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Alison Webb","raw_affiliation_strings":["Metabolic Research Laboratories, Institute of Metabolic Science, University of Cambridge and National Institute for Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Metabolic Research Laboratories, Institute of Metabolic Science, University of Cambridge and National Institute for Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK","institution_ids":["https://openalex.org/I241749","https://openalex.org/I4210156194","https://openalex.org/I4389425352"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066331186","display_name":"Gwen Wark","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2799660017","display_name":"Royal Surrey County Hospital","ror":"https://ror.org/02w7x5c08","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2799660017","https://openalex.org/I4210146582"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Gwen Wark","raw_affiliation_strings":["Department of Clinical Biochemistry, Royal Surrey County Hospital; Guildford; UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Clinical Biochemistry, Royal Surrey County Hospital; Guildford; UK","institution_ids":["https://openalex.org/I2799660017"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079460484","display_name":"Steve Pleasance","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Steve Pleasance","raw_affiliation_strings":["Quotient Bioresearch Ltd Fordham Cambridgeshire UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Quotient Bioresearch Ltd Fordham Cambridgeshire UK","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073106718","display_name":"Mark Gurnell","orcid":"https://orcid.org/0000-0001-5745-6832","observed_orcids":["https://orcid.org/0000-0001-5745-6832"]},"institutions":[{"id":"https://openalex.org/I241749","display_name":"University of Cambridge","ror":"https://ror.org/013meh722","country_code":"GB","type":"education","lineage":["https://openalex.org/I241749"]},{"id":"https://openalex.org/I4210156194","display_name":"Addenbrooke's Hospital","ror":"https://ror.org/055vbxf86","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I2802466933","https://openalex.org/I4210156194"]},{"id":"https://openalex.org/I4389425352","display_name":"NIHR Cambridge Biomedical Research Centre","ror":"https://ror.org/05m8dr349","country_code":"GB","type":"facility","lineage":["https://openalex.org/I241749","https://openalex.org/I2802466933","https://openalex.org/I34931013","https://openalex.org/I4389425352"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Mark Gurnell","raw_affiliation_strings":["Metabolic Research Laboratories, Institute of Metabolic Science, University of Cambridge and National Institute for Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Metabolic Research Laboratories, Institute of Metabolic Science, University of Cambridge and National Institute for Health Research Cambridge Biomedical Research Centre, Addenbrooke's Hospital, Cambridge, UK","institution_ids":["https://openalex.org/I241749","https://openalex.org/I4210156194","https://openalex.org/I4389425352"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5073106718","https://openalex.org/A5079460484"],"corresponding_institution_ids":["https://openalex.org/I241749","https://openalex.org/I4210156194","https://openalex.org/I4389425352"],"apc_list":{"value":4250,"currency":"USD","value_usd":4250},"apc_paid":null,"fwci":2.8833,"has_fulltext":false,"cited_by_count":34,"citation_normalized_percentile":{"value":0.90412275,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"78","issue":"3","first_page":"424","last_page":"430"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10748","display_name":"Growth Hormone and Insulin-like Growth Factors","score":0.8720999956130981,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"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/T10748","display_name":"Growth Hormone and Insulin-like Growth Factors","score":0.8720999956130981,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"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/T10832","display_name":"Pituitary Gland Disorders and Treatments","score":0.08889999985694885,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"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/T10683","display_name":"Mass Spectrometry Techniques and Applications","score":0.007799999788403511,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/insulin-like-growth-factor-i","display_name":"insulin-like growth factor I","score":0.9990000128746033},{"id":"https://openalex.org/keywords/acromegaly","display_name":"acromegaly","score":0.9089999794960022},{"id":"https://openalex.org/keywords/mass-spectrometry-quantification","display_name":"mass spectrometry quantification","score":0.7950000166893005},{"id":"https://openalex.org/keywords/multiple-reaction-monitoring","display_name":"multiple reaction monitoring","score":0.7960000038146973},{"id":"https://openalex.org/keywords/stable-isotope-dilution","display_name":"stable isotope dilution","score":0.902999997138977},{"id":"https://openalex.org/keywords/uplc-ms-ms","display_name":"UPLC-MS/MS","score":0.8949999809265137},{"id":"https://openalex.org/keywords/immunoassay-comparison","display_name":"immunoassay comparison","score":0.9010000228881836},{"id":"https://openalex.org/keywords/lanreotide","display_name":"lanreotide","score":0.8100000023841858},{"id":"https://openalex.org/keywords/growth-hormone","display_name":"growth hormone","score":0.7080000042915344}],"concepts":[{"id":"https://openalex.org/C2777433750","wikidata":"https://www.wikidata.org/wiki/Q189580","display_name":"Acromegaly","level":4,"score":0.7914344072341919},{"id":"https://openalex.org/C2780420688","wikidata":"https://www.wikidata.org/wiki/Q759183","display_name":"Immunoassay","level":3,"score":0.7094138860702515},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.6446778774261475},{"id":"https://openalex.org/C44249647","wikidata":"https://www.wikidata.org/wiki/Q208498","display_name":"Confidence interval","level":2,"score":0.6331344842910767},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5134104490280151},{"id":"https://openalex.org/C2780689927","wikidata":"https://www.wikidata.org/wiki/Q24766801","display_name":"Insulin-like growth factor","level":4,"score":0.5109254717826843},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.46172019839286804},{"id":"https://openalex.org/C31827203","wikidata":"https://www.wikidata.org/wiki/Q874296","display_name":"Tandem mass spectrometry","level":3,"score":0.4169533848762512},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.3824576437473297},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.3768889307975769},{"id":"https://openalex.org/C162356407","wikidata":"https://www.wikidata.org/wiki/Q180809","display_name":"Mass spectrometry","level":2,"score":0.3058584928512573},{"id":"https://openalex.org/C2984496839","wikidata":"https://www.wikidata.org/wiki/Q29956617","display_name":"Growth hormone","level":3,"score":0.29024264216423035},{"id":"https://openalex.org/C71315377","wikidata":"https://www.wikidata.org/wiki/Q11364","display_name":"Hormone","level":2,"score":0.12920376658439636},{"id":"https://openalex.org/C2775960820","wikidata":"https://www.wikidata.org/wiki/Q408378","display_name":"Growth factor","level":3,"score":0.12625953555107117},{"id":"https://openalex.org/C203014093","wikidata":"https://www.wikidata.org/wiki/Q101929","display_name":"Immunology","level":1,"score":0.10131576657295227},{"id":"https://openalex.org/C159654299","wikidata":"https://www.wikidata.org/wiki/Q79460","display_name":"Antibody","level":2,"score":0.08820194005966187},{"id":"https://openalex.org/C170493617","wikidata":"https://www.wikidata.org/wiki/Q208467","display_name":"Receptor","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D000172","descriptor_name":"Acromegaly","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002853","descriptor_name":"Chromatography, Liquid","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":"D007118","descriptor_name":"Immunoassay","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007334","descriptor_name":"Insulin-Like Growth Factor I","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false},{"descriptor_ui":"D007334","descriptor_name":"Insulin-Like Growth Factor I","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","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":true}],"locations_count":2,"locations":[{"id":"doi:10.1111/cen.12085","doi":"https://doi.org/10.1111/cen.12085","is_oa":false,"landing_page_url":"https://doi.org/10.1111/cen.12085","pdf_url":null,"source":{"id":"https://openalex.org/S182143151","display_name":"Clinical Endocrinology","issn_l":"0300-0664","issn":["0300-0664","1365-2265"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Clinical Endocrinology","raw_type":"journal-article"},{"id":"pmid:23121616","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/23121616","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":"Clinical endocrinology","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9537000060081482,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1984227782","https://openalex.org/W2013943022","https://openalex.org/W2020412405","https://openalex.org/W2031397239","https://openalex.org/W2051118435","https://openalex.org/W2054888532","https://openalex.org/W2067623853","https://openalex.org/W2072531409","https://openalex.org/W2080548920","https://openalex.org/W2090627812","https://openalex.org/W2095591038","https://openalex.org/W2095682165","https://openalex.org/W2098717833","https://openalex.org/W2099306792","https://openalex.org/W2100456193","https://openalex.org/W2101683626","https://openalex.org/W2130988832","https://openalex.org/W2132071446","https://openalex.org/W2139998811","https://openalex.org/W2156014512","https://openalex.org/W2171357500","https://openalex.org/W2172067681","https://openalex.org/W2328648438"],"related_works":["https://openalex.org/W7099716957","https://openalex.org/W2463578770","https://openalex.org/W1979677540","https://openalex.org/W2801506105","https://openalex.org/W1557842389","https://openalex.org/W198214156","https://openalex.org/W2101844807","https://openalex.org/W2017520143","https://openalex.org/W2044144644","https://openalex.org/W3128179226"],"abstract_inverted_index":{"OBJECTIVE:":[0],"To":[1],"develop":[2],"an":[3,208],"alternative":[4],"method":[5,40,49,127,193,210],"to":[6,82,164,202,231,242,247],"immunoassay":[7,117,133,156,185],"for":[8,41,67,211],"the":[9,42,70,132,184,221,232],"quantitative":[10],"analysis":[11],"of":[12,44,55,69,103,138,199,223],"insulin-like":[13],"growth":[14,170],"factor":[15],"1":[16],"(IGF-1)":[17],"using":[18],"a":[19,113,135],"mass":[20],"spectrometry":[21],"(MS)-based":[22],"approach.":[23],"STUDY":[24],"DESIGN":[25],"AND":[26],"PATIENTS:":[27],"A":[28],"stable":[29],"isotope":[30],"dilution":[31],"Ultra":[32],"High":[33],"Performance":[34],"Liquid":[35],"Chromatography":[36],"tandem":[37],"MS":[38],"(uHPLC-MS/MS)-based":[39],"quantification":[43],"IGF-1":[45,74,139,174,213,235],"was":[46,79,194],"developed.":[47],"The":[48,125,141,192],"employed":[50],"Selected":[51],"Reaction":[52],"Monitoring":[53],"(SRM)":[54],"two":[56],"tryptic":[57],"peptides":[58],"derived":[59],"from":[60,87],"IGF-1,":[61],"and":[62,99,121,143,173,180,186,225,229],"utilised":[63],"solid":[64],"phase":[65],"extraction":[66],"enrichment":[68],"peptide":[71],"fraction":[72],"containing":[73],"rather":[75],"than":[76],"immunocapture,":[77],"so":[78],"less":[80],"susceptible":[81],"assay":[83],"interference.":[84],"Plasma":[85],"samples":[86],"25":[88],"consecutive":[89],"unselected":[90],"patients":[91,167],"with":[92,107,131,216],"newly":[93],"diagnosed":[94],"acromegaly,":[95],"collected":[96],"both":[97],"before":[98],"after":[100],"24":[101],"weeks":[102],"primary":[104,177],"medical":[105,178],"therapy":[106],"Lanreotide":[108],"Autogel(\u00ae),":[109],"were":[110],"analysed":[111],"by":[112,122,197],"widely":[114],"used":[115],"commercial":[116],"(Siemens":[118],"Immulite":[119],"2000(\u00ae))":[120],"uHPLC-MS/MS.":[123],"RESULTS:":[124],"uHPLC-MS/MS":[126,147,187,206],"showed":[128],"good":[129],"correlation":[130],"over":[134],"wide":[136],"range":[137],"concentrations.":[140],"Passing":[142],"Bablock":[144],"regression":[145],"was:":[146],"(nmol/l)":[148,157],"=":[149],"1.37":[150],"(95%":[151,160],"confidence":[152,161],"interval:":[153,162],"1.26-1.46)":[154],"\u00d7":[155],"+":[158],"3.14":[159],"-2.71":[163],"10.32).":[165],"Six":[166],"had":[168],"discordant":[169],"hormone":[171],"(GH)":[172],"levels":[175],"following":[176],"therapy,":[179],"in":[181,214,246],"all":[182],"six":[183],"platforms":[188],"returned":[189],"comparable":[190],"results.":[191],"not":[195],"affected":[196],"concentrations":[198],"IGFBP3":[200],"up":[201],"12,500":[203],"ng/ml.":[204],"CONCLUSIONS:":[205],"offers":[207],"independent":[209],"determining/validating":[212],"subjects":[215],"acromegaly.":[217],"Further":[218],"studies,":[219],"including":[220],"establishment":[222],"age-":[224],"sex-matched":[226],"reference":[227],"ranges":[228],"calibration":[230],"new":[233],"International":[234],"standard":[236],"IS":[237],"02/254,":[238],"are":[239],"now":[240],"required":[241],"allow":[243],"its":[244],"introduction":[245],"routine":[248],"clinical":[249],"use.":[250]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}
