{"id":"https://openalex.org/W1992939748","doi":"https://doi.org/10.1016/0020-7292(85)90015-3","title":"Human chorionic gonadotropin in the ectopic gestation","display_name":"Human chorionic gonadotropin in the ectopic gestation","publication_year":1985,"publication_date":"1985-02-01","ids":{"openalex":"https://openalex.org/W1992939748","doi":"https://doi.org/10.1016/0020-7292(85)90015-3","mag":"1992939748","pmid":"https://pubmed.ncbi.nlm.nih.gov/2581825"},"language":"en","primary_location":{"id":"doi:10.1016/0020-7292(85)90015-3","doi":"https://doi.org/10.1016/0020-7292(85)90015-3","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0020-7292(85)90015-3","pdf_url":null,"source":{"id":"https://openalex.org/S4210216427","display_name":"International Journal of Gynecology & Obstetrics","issn_l":"0020-6695","issn":["0020-6695","0020-7292","1879-3479"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-1","vabb-shw"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Gynecology &amp; Obstetrics","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/A5111485830","display_name":"Abraham Golan","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Abraham Golan","raw_affiliation_strings":["Department of Obstetrics and Gynecology B, Serlin Maternity Hospital, Tel-Aviv Medical Center Israel"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology B, Serlin Maternity Hospital, Tel-Aviv Medical Center Israel","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036176314","display_name":"Andree L. Van Der Walt","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I192619145","display_name":"University of the Witwatersrand","ror":"https://ror.org/03rp50x72","country_code":"ZA","type":"education","lineage":["https://openalex.org/I192619145"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Andree L. Van Der Walt","raw_affiliation_strings":["Department of Chemical Pathology, University of Witwatersrand, Johannesburg, South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemical Pathology, University of Witwatersrand, Johannesburg, South Africa","institution_ids":["https://openalex.org/I192619145"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113600774","display_name":"Shraga Wexler","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shraga Wexler","raw_affiliation_strings":["Department of Obstetrics and Gynecology B, Serlin Maternity Hospital, Tel-Aviv Medical Center Israel"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology B, Serlin Maternity Hospital, Tel-Aviv Medical Center Israel","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112528571","display_name":"Hilton I. Kort","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I192619145","display_name":"University of the Witwatersrand","ror":"https://ror.org/03rp50x72","country_code":"ZA","type":"education","lineage":["https://openalex.org/I192619145"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Hilton Kort","raw_affiliation_strings":["Department of Obstetrics and Gynecology, University of Witwatersrand, Johannesburg, South Africa"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, University of Witwatersrand, Johannesburg, South Africa","institution_ids":["https://openalex.org/I192619145"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":4480,"currency":"USD","value_usd":4480},"apc_paid":null,"fwci":0.7135,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.703294,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"23","issue":"1","first_page":"65","last_page":"69"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12096","display_name":"Ectopic Pregnancy Diagnosis and Management","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/T12096","display_name":"Ectopic Pregnancy Diagnosis and Management","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/T10600","display_name":"Reproductive Health and Contraception","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"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/T11156","display_name":"Reproductive Health and Technologies","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2743","display_name":"Reproductive Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/human-chorionic-gonadotropin","display_name":"human chorionic gonadotropin","score":0.9470000267028809},{"id":"https://openalex.org/keywords/ectopic-pregnancy","display_name":"ectopic pregnancy","score":0.9940000176429749},{"id":"https://openalex.org/keywords/hcg-levels","display_name":"hCG levels","score":0.8379999995231628},{"id":"https://openalex.org/keywords/hcg-beta-subunit","display_name":"hCG beta subunit","score":0.5630000233650208},{"id":"https://openalex.org/keywords/black-south-african-women","display_name":"black South African women","score":0.5490000247955322}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9310051798820496},{"id":"https://openalex.org/C2775948956","wikidata":"https://www.wikidata.org/wiki/Q407172","display_name":"Human chorionic gonadotropin","level":3,"score":0.8084414601325989},{"id":"https://openalex.org/C46973012","wikidata":"https://www.wikidata.org/wiki/Q28627","display_name":"Gestation","level":3,"score":0.6724896430969238},{"id":"https://openalex.org/C2778782382","wikidata":"https://www.wikidata.org/wiki/Q409770","display_name":"Gonadotropin","level":3,"score":0.5982564687728882},{"id":"https://openalex.org/C2776018949","wikidata":"https://www.wikidata.org/wiki/Q207087","display_name":"Ectopic pregnancy","level":3,"score":0.5569168925285339},{"id":"https://openalex.org/C16685009","wikidata":"https://www.wikidata.org/wiki/Q335057","display_name":"Andrology","level":1,"score":0.4033428430557251},{"id":"https://openalex.org/C29456083","wikidata":"https://www.wikidata.org/wiki/Q1221899","display_name":"Gynecology","level":1,"score":0.3637506365776062},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.330697238445282},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.32936012744903564},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.32065966725349426},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.2655976414680481},{"id":"https://openalex.org/C71315377","wikidata":"https://www.wikidata.org/wiki/Q11364","display_name":"Hormone","level":2,"score":0.1227799654006958},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.06608405709266663},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006063","descriptor_name":"Chorionic Gonadotropin","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D006063","descriptor_name":"Chorionic Gonadotropin","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D006207","descriptor_name":"Half-Life","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":"D010446","descriptor_name":"Peptide Fragments","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D010446","descriptor_name":"Peptide Fragments","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011271","descriptor_name":"Pregnancy, Ectopic","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D011863","descriptor_name":"Radioimmunoassay","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018997","descriptor_name":"Chorionic Gonadotropin, beta Subunit, Human","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1016/0020-7292(85)90015-3","doi":"https://doi.org/10.1016/0020-7292(85)90015-3","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0020-7292(85)90015-3","pdf_url":null,"source":{"id":"https://openalex.org/S4210216427","display_name":"International Journal of Gynecology & Obstetrics","issn_l":"0020-6695","issn":["0020-6695","0020-7292","1879-3479"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-1","vabb-shw"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Gynecology &amp; Obstetrics","raw_type":"journal-article"},{"id":"pmid:2581825","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/2581825","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":"International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.9391000270843506}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W83871345","https://openalex.org/W183745388","https://openalex.org/W1494854998","https://openalex.org/W1878143857","https://openalex.org/W2000990430","https://openalex.org/W2196546276","https://openalex.org/W2410493340","https://openalex.org/W2417057789"],"related_works":["https://openalex.org/W2116198380","https://openalex.org/W2007640022","https://openalex.org/W2323873501","https://openalex.org/W83871345","https://openalex.org/W2345272641","https://openalex.org/W2416154699","https://openalex.org/W2039108739","https://openalex.org/W2002371026","https://openalex.org/W1572195475","https://openalex.org/W2409014879"],"abstract_inverted_index":{"The":[0,14,53,74,93,109],"ectopic":[1,72,124],"pregnancy":[2,106,118],"is":[3,107,119,125],"a":[4],"relatively":[5],"common":[6],"condition":[7],"in":[8,25,28,80,100],"the":[9,36,81,101,104,112,116],"south":[10],"African":[11],"black":[12],"patients.":[13,33],"beta-specific":[15],"subunit":[16],"radioimmunoassay":[17],"for":[18],"human":[19],"chorionic":[20],"gonadotrophin":[21],"(HCG)":[22],"was":[23,62],"utilized":[24],"procuring":[26],"information":[27],"our":[29],"series":[30],"of":[31,35,46,56,71,78,90,97,103,123],"30":[32],"Levels":[34],"hormone":[37,99],"were":[38],"significantly":[39],"lower":[40],"when":[41],"compared":[42],"to":[43,121],"normal":[44,59,117],"gestation":[45],"similar":[47],"duration,":[48],"never":[49],"exceeding":[50],"2000":[51],"mIU/ml.":[52],"clearance":[54,76],"rate":[55,77],"HCG":[57,79,91,113],"following":[58],"vaginal":[60],"delivery":[61],"about":[63],"24":[64],"h":[65],"and":[66],"less":[67],"variable":[68],"than":[69],"that":[70,111,122],"gestation.":[73],"half-life":[75],"ectopics":[82],"could":[83],"be":[84],"divided":[85],"into":[86],"three":[87],"phases,":[88],"suggestive":[89],"compartmentalization.":[92],"possible":[94],"buffering":[95],"effect":[96],"this":[98],"maintenance":[102],"receptor-saturated":[105],"discussed.":[108],"possibility":[110],"produced":[114],"by":[115],"dissimilar":[120],"speculated":[126],"upon.":[127]},"counts_by_year":[],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
