{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,31]],"date-time":"2026-07-31T12:08:37Z","timestamp":1785499717875,"version":"3.56.0"},"reference-count":9,"publisher":"Informa UK Limited","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Journal of Maternal-Fetal & Neonatal Medicine"],"published-print":{"date-parts":[[2005,1,1]]},"DOI":"10.1080\/14767050400028592","type":"journal-article","created":{"date-parts":[[2007,8,3]],"date-time":"2007-08-03T04:57:37Z","timestamp":1186117057000},"page":"45-48","source":"Crossref","is-referenced-by-count":19,"title":["Changes in fetal presentation in twin pregnancies"],"prefix":"10.1080","volume":"17","author":[{"given":"Stephen T","family":"Chasen","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology, Weill Medical College of Cornell University, New York, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stacey J","family":"Spiro","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Weill Medical College of Cornell University, New York, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robin B","family":"Kalish","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Weill Medical College of Cornell University, New York, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frank A","family":"Chervenak","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Weill Medical College of Cornell University, New York, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"301","published-online":{"date-parts":[[2009,7,7]]},"reference":[{"key":"CIT0001","first-page":"129","volume":"101","author":"Russell RB","year":"2003","journal-title":"The changing epidemiology of multiple births in the United States. Obstet Gynecol"},{"key":"CIT0002","doi-asserted-by":"publisher","DOI":"10.1515\/JPM.2000.024"},{"key":"CIT0003","first-page":"1015","volume":"173","author":"Chauhan SP","year":"1995","journal-title":"Delivery of the nonvertex second twin: breech extraction versus external cephalic version. Am J Obstet Gynecol"},{"key":"CIT0004","first-page":"864","volume":"179","author":"Mauldin JG","year":"1998","journal-title":"Cost-effective delivery management of the vertex and nonvertex twin gestation. Am J Obstet Gynecol"},{"key":"CIT0005","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9378(11)90789-3"},{"key":"CIT0006","first-page":"328","volume":"37","author":"Santolaya J","year":"1992","journal-title":"Ultrasonographically observed changes in fetal presentation. J Reprod Med"},{"issue":"17","key":"CIT0007","first-page":"1755\u2013","volume":"2002","author":"Isaksson R","year":"1761","journal-title":"Hum Reprod"},{"key":"CIT0008","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9378(11)91589-0"},{"key":"CIT0009","first-page":"513","volume":"189","author":"Nassar AH","year":"2003","journal-title":"Pregnancy outcome in spontaneous twins versus twins who were conceived through in vitro fertilization. Am J Obstet Gynecol"}],"container-title":["The Journal of Maternal-Fetal & Neonatal Medicine"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/14767050400028592","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,6,24]],"date-time":"2020-06-24T14:02:25Z","timestamp":1593007345000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.tandfonline.com\/doi\/full\/10.1080\/14767050400028592"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2005,1,1]]},"references-count":9,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2005,1,1]]}},"alternative-id":["10.1080\/14767050400028592"],"URL":"https:\/\/doi.org\/10.1080\/14767050400028592","relation":{},"ISSN":["1476-7058","1476-4954"],"issn-type":[{"value":"1476-7058","type":"print"},{"value":"1476-4954","type":"electronic"}],"subject":[],"published":{"date-parts":[[2005,1,1]]}}}