{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,16]],"date-time":"2025-09-16T19:59:01Z","timestamp":1758052741339,"version":"3.44.0"},"reference-count":10,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2021,11,1]],"date-time":"2021-11-01T00:00:00Z","timestamp":1635724800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,11,1]],"date-time":"2021-11-01T00:00:00Z","timestamp":1635724800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2021,11,1]],"date-time":"2021-11-01T00:00:00Z","timestamp":1635724800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2021,11,1]],"date-time":"2021-11-01T00:00:00Z","timestamp":1635724800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2021,11,1]],"date-time":"2021-11-01T00:00:00Z","timestamp":1635724800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2021,11,1]],"date-time":"2021-11-01T00:00:00Z","timestamp":1635724800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2021,11,1]],"date-time":"2021-11-01T00:00:00Z","timestamp":1635724800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Clinica Chimica Acta"],"published-print":{"date-parts":[[2021,11]]},"DOI":"10.1016\/j.cca.2021.08.018","type":"journal-article","created":{"date-parts":[[2021,8,18]],"date-time":"2021-08-18T10:54:12Z","timestamp":1629284052000},"page":"141-143","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"special_numbering":"C","title":["Perimenopausal woman with elevated serum hCG and abdominal pain"],"prefix":"10.1016","volume":"522","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4784-1977","authenticated-orcid":false,"given":"Philippa","family":"Li","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5220-664X","authenticated-orcid":false,"given":"Christopher D.","family":"Koch","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9444-9540","authenticated-orcid":false,"given":"Joe M.","family":"El-Khoury","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.cca.2021.08.018_b0005","doi-asserted-by":"crossref","first-page":"769","DOI":"10.1093\/humupd\/dml029","article-title":"The classification, functions and clinical use of different isoforms of HCG","volume":"12","author":"Stenman","year":"2006","journal-title":"Hum. Reprod. Update"},{"key":"10.1016\/j.cca.2021.08.018_b0010","doi-asserted-by":"crossref","first-page":"8","DOI":"10.1186\/1477-7827-7-8","article-title":"New discoveries on the biology and detection of human chorionic gonadotropin","volume":"7","author":"Cole","year":"2009","journal-title":"Reprod. Biol. Endocrinol."},{"issue":"1-2","key":"10.1016\/j.cca.2021.08.018_b0015","doi-asserted-by":"crossref","first-page":"81","DOI":"10.1016\/j.cca.2009.10.009","article-title":"The analytical specificity of human chorionic gonadotropin assays determined using WHO International Reference Reagents","volume":"411","author":"Whittington","year":"2010","journal-title":"Clin. Chim. Acta"},{"key":"10.1016\/j.cca.2021.08.018_b0020","doi-asserted-by":"crossref","first-page":"1484","DOI":"10.1373\/clinchem.2009.124578","article-title":"Differences in Recognition of the 1st WHO International Reference Reagents for hCG-Related Isoforms by Diagnostic Immunoassays for Human Chorionic Gonadotropin","volume":"55","author":"Sturgeon","year":"2009","journal-title":"Clin. Chem."},{"key":"10.1016\/j.cca.2021.08.018_b0025","doi-asserted-by":"crossref","first-page":"729","DOI":"10.1016\/j.clinbiochem.2015.12.018","article-title":"Heterophile antibody interference in qualitative urine\/serum hCG devices: Case report","volume":"49","author":"Patel","year":"2016","journal-title":"Clin. Biochem."},{"key":"10.1016\/j.cca.2021.08.018_b0030","first-page":"1144","article-title":"Heterophile antibody blocking agent to confirm false positive serum human chorionic gonadotropin assay","volume":"101","author":"Esfandiari","year":"2003","journal-title":"Obstet. Gynecol."},{"key":"10.1016\/j.cca.2021.08.018_b0035","first-page":"4353","article-title":"High prevalence of human anti-mouse antibodies in the serum of colorectal cancer patients","volume":"30","author":"Goto","year":"2010","journal-title":"Anticancer Res."},{"key":"10.1016\/j.cca.2021.08.018_b0040","doi-asserted-by":"crossref","first-page":"1389","DOI":"10.1373\/clinchem.2008.121210","article-title":"False-negative results in point-of-care qualitative human chorionic gonadotropin (hCG) devices due to excess hCG\u03b2 core fragment","volume":"55","author":"Gronowski","year":"2009","journal-title":"Clin. Chem."},{"issue":"7","key":"10.1016\/j.cca.2021.08.018_b0045","doi-asserted-by":"crossref","first-page":"549","DOI":"10.1016\/j.clinbiochem.2004.05.008","article-title":"Human chorionic gonadotropin in cancer","volume":"37","author":"Stenman","year":"2004","journal-title":"Clin. Biochem."},{"key":"10.1016\/j.cca.2021.08.018_b0050","doi-asserted-by":"crossref","DOI":"10.1093\/ajcp\/aqx117.082","article-title":"83 Beta-hCG positive metastatic cholangiocarcinoma in liver mimicking pregnancy in a young woman","volume":"149","author":"Wong","year":"2018","journal-title":"Am. J. Clin. Pathol."}],"container-title":["Clinica Chimica Acta"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0009898121002965?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0009898121002965?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,14]],"date-time":"2025-09-14T15:01:26Z","timestamp":1757862086000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0009898121002965"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,11]]},"references-count":10,"alternative-id":["S0009898121002965"],"URL":"https:\/\/doi.org\/10.1016\/j.cca.2021.08.018","relation":{},"ISSN":["0009-8981"],"issn-type":[{"type":"print","value":"0009-8981"}],"subject":[],"published":{"date-parts":[[2021,11]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Perimenopausal woman with elevated serum hCG and abdominal pain","name":"articletitle","label":"Article Title"},{"value":"Clinica Chimica Acta","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.cca.2021.08.018","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"simple-article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2021 Elsevier B.V. All rights reserved.","name":"copyright","label":"Copyright"}]}}