{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,21]],"date-time":"2026-01-21T08:41:44Z","timestamp":1768984904370,"version":"3.49.0"},"reference-count":0,"publisher":"Georg Thieme Verlag KG","issue":"09","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Amer J Perinatol"],"DOI":"10.1055\/s-0032-1314894","type":"journal-article","created":{"date-parts":[[2012,5,30]],"date-time":"2012-05-30T02:40:31Z","timestamp":1338345631000},"page":"717-722","source":"Crossref","is-referenced-by-count":37,"title":["An Analysis of Second-Stage Labor beyond 3 Hours in Nulliparous Women"],"prefix":"10.1055","volume":"29","author":[{"given":"April","family":"Bleich","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"James","family":"Alexander","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Donald","family":"McIntire","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kenneth","family":"Leveno","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"194","published-online":{"date-parts":[[2012,5,29]]},"container-title":["American Journal of Perinatology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/www.thieme-connect.de\/products\/ejournals\/pdf\/10.1055\/s-0032-1314894.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,5,22]],"date-time":"2017-05-22T21:05:07Z","timestamp":1495487107000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.thieme-connect.de\/DOI\/DOI?10.1055\/s-0032-1314894"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012,5,29]]},"references-count":0,"journal-issue":{"issue":"09","published-online":{"date-parts":[[2012,9,17]]}},"URL":"https:\/\/doi.org\/10.1055\/s-0032-1314894","relation":{},"ISSN":["0735-1631","1098-8785"],"issn-type":[{"value":"0735-1631","type":"print"},{"value":"1098-8785","type":"electronic"}],"subject":[],"published":{"date-parts":[[2012,5,29]]}}}