{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,11]],"date-time":"2026-10-11T14:14:33Z","timestamp":1791728073692,"version":"4.3.4"},"reference-count":18,"publisher":"Oxford University Press (OUP)","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Human Reproduction"],"published-print":{"date-parts":[[2013,1,1]]},"DOI":"10.1093\/humrep\/des373","type":"journal-article","created":{"date-parts":[[2012,10,19]],"date-time":"2012-10-19T02:40:50Z","timestamp":1350614450000},"page":"60-67","source":"Crossref","is-referenced-by-count":115,"title":["Methotrexate or expectant management in women with an ectopic pregnancy or pregnancy of unknown location and low serum hCG concentrations? A randomized comparison"],"prefix":"10.1093","volume":"28","author":[{"given":"N. M.","family":"van Mello","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"F.","family":"Mol","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H. R.","family":"Verhoeve","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"van Wely","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A. H.","family":"Adriaanse","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"E. A.","family":"Boss","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A. B.","family":"Dijkman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"N.","family":"Bayram","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M. H.","family":"Emanuel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.","family":"Friederich","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L.","family":"van der Leeuw-Harmsen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. P.","family":"Lips","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M. A.","family":"Van Kessel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"W. M.","family":"Ankum","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"F.","family":"van der Veen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B. W.","family":"Mol","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P. J.","family":"Hajenius","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2012,10,18]]},"reference":[{"issue":"6","key":"1_22254956","doi-asserted-by":"publisher","first-page":"1661","DOI":"10.1016\/j.fertnstert.2005.11.055","volume":"85","author":"Alleyassin","year":"2006","journal-title":"Fertility and sterility","ISSN":"https:\/\/id.crossref.org\/issn\/0015-0282","issn-type":"print"},{"issue":"6","key":"2_31131882","doi-asserted-by":"publisher","first-page":"1479","DOI":"10.1097\/AOG.0b013e31817d201e","volume":"111","year":"2008","journal-title":"Obstetrics &amp; Gynecology","ISSN":"https:\/\/id.crossref.org\/issn\/0029-7844","issn-type":"print"},{"issue":"8","key":"3_14470644","doi-asserted-by":"publisher","first-page":"1301","DOI":"10.1093\/humrep\/","volume":"8","author":"Ankum","year":"1993","journal-title":"Human Reproduction","ISSN":"https:\/\/id.crossref.org\/issn\/0268-1161","issn-type":"print"},{"key":"4_25388855","first-page":"158","volume":"108","year":"2001","journal-title":"British journal of obstetrics and gynaecology","ISSN":"https:\/\/id.crossref.org\/issn\/0306-5456","issn-type":"print"},{"issue":"4","key":"5_35283727","doi-asserted-by":"publisher","first-page":"379","DOI":"10.1056\/NEJMcp0810384","volume":"361","author":"Barnhart","year":"2009","journal-title":"New England Journal of Medicine","ISSN":"https:\/\/id.crossref.org\/issn\/0028-4793","issn-type":"print"},{"issue":"3","key":"6_38325478","doi-asserted-by":"publisher","first-page":"857","DOI":"10.1016\/j.fertnstert.2010.09.006","volume":"95","author":"Barnhart","year":"2011","journal-title":"Fertility and sterility","ISSN":"https:\/\/id.crossref.org\/issn\/0015-0282","issn-type":"print"},{"issue":"3","key":"7_42479835","doi-asserted-by":"publisher","first-page":"238","DOI":"10.2174\/157488712802281321","volume":"7","author":"Casikar","year":"2012","ISSN":"https:\/\/id.crossref.org\/issn\/1574-8871","issn-type":"print"},{"key":"8_27158758","doi-asserted-by":"crossref","first-page":"521","DOI":"10.1111\/j.1471-0528.2006.00924.x","volume":"113","year":"2006","journal-title":"British journal of obstetrics and gynaecology","ISSN":"https:\/\/id.crossref.org\/issn\/0306-5456","issn-type":"print"},{"issue":"4","key":"9_23139295","doi-asserted-by":"publisher","first-page":"1156","DOI":"10.1093\/humrep\/del460","volume":"22","year":"2007","journal-title":"Human Reproduction","ISSN":"https:\/\/id.crossref.org\/issn\/0268-1161","issn-type":"print"},{"key":"10_43974599","doi-asserted-by":"crossref","first-page":"693","DOI":"10.1111\/j.1471-0528.2011.02893.x","volume":"118","year":"2011","journal-title":"British journal of obstetrics and gynaecology","ISSN":"https:\/\/id.crossref.org\/issn\/0306-5456","issn-type":"print"},{"issue":"6","key":"12_18204077","doi-asserted-by":"publisher","first-page":"552","DOI":"10.1002\/uog.1061","volume":"23","author":"Elson","year":"2004","journal-title":"Ultrasound in obstetrics &amp; gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology","ISSN":"https:\/\/id.crossref.org\/issn\/0960-7692","issn-type":"print"},{"issue":"9485","key":"13_19326915","doi-asserted-by":"publisher","first-page":"583","DOI":"10.1016\/S0140-6736(05)67103-6","volume":"366","author":"Farquhar","year":"2005","journal-title":"Lancet","ISSN":"https:\/\/id.crossref.org\/issn\/0140-6736","issn-type":"print"},{"issue":"1","key":"16_19386806","doi-asserted-by":"crossref","first-page":"91","DOI":"10.1002\/uog.2602","volume":"27","author":"Betre","year":"2006","journal-title":"Ultrasound in obstetrics &amp; gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology","ISSN":"https:\/\/id.crossref.org\/issn\/0960-7692","issn-type":"print"},{"issue":"3","key":"17_39217229","doi-asserted-by":"crossref","first-page":"264","DOI":"10.1111\/j.1600-0412.2010.01053.x","volume":"90","author":"Kirk","year":"2011","journal-title":"Acta obstetricia et gynecologica Scandinavica","ISSN":"https:\/\/id.crossref.org\/issn\/0001-6349","issn-type":"print"},{"issue":"26","key":"18_6393971","doi-asserted-by":"publisher","first-page":"1974","DOI":"10.1056\/NEJM199912233412604","volume":"341","author":"Lipscomb","year":"1999","journal-title":"New England Journal of Medicine","ISSN":"https:\/\/id.crossref.org\/issn\/0028-4793","issn-type":"print"},{"issue":"6","key":"19_18943081","doi-asserted-by":"publisher","first-page":"1844","DOI":"10.1016\/j.ajog.2004.12.061","volume":"192","author":"Lipscomb","year":"2005","journal-title":"American journal of obstetrics and gynecology","ISSN":"https:\/\/id.crossref.org\/issn\/0002-9378","issn-type":"print"},{"issue":"10","key":"20_6427526","doi-asserted-by":"publisher","first-page":"551","DOI":"10.1093\/qjmed\/92.10.551","volume":"92","author":"Lloyd","year":"1999","journal-title":"QJM","ISSN":"https:\/\/id.crossref.org\/issn\/0033-5622","issn-type":"print"},{"issue":"5","key":"21_6218171","doi-asserted-by":"publisher","first-page":"972","DOI":"10.1016\/S0015-0282(98)00278-7","volume":"70","author":"Mol","year":"1998","journal-title":"Fertility and sterility","ISSN":"https:\/\/id.crossref.org\/issn\/0015-0282","issn-type":"print"}],"container-title":["Human Reproduction"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/academic.oup.com\/humrep\/article-pdf\/28\/1\/60\/1619047\/des373.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,4,30]],"date-time":"2024-04-30T12:12:34Z","timestamp":1714479154000},"score":1,"resource":{"primary":{"URL":"https:\/\/academic.oup.com\/humrep\/article-lookup\/doi\/10.1093\/humrep\/des373"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012,10,18]]},"references-count":18,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2012,12,14]]},"published-print":{"date-parts":[[2013,1,1]]}},"URL":"https:\/\/doi.org\/10.1093\/humrep\/des373","relation":{},"ISSN":["0268-1161","1460-2350"],"issn-type":[{"value":"0268-1161","type":"print"},{"value":"1460-2350","type":"electronic"}],"subject":[],"published":{"date-parts":[[2012,10,18]]}}}