{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,4]],"date-time":"2026-11-04T17:13:11Z","timestamp":1793812391201,"version":"4.6.1"},"reference-count":23,"publisher":"Informa UK Limited","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Journal of Maternal-Fetal & Neonatal Medicine"],"published-print":{"date-parts":[[2008,1]]},"DOI":"10.1080\/14767050701830514","type":"journal-article","created":{"date-parts":[[2008,2,1]],"date-time":"2008-02-01T03:03:58Z","timestamp":1201835038000},"page":"89-94","source":"Crossref","is-referenced-by-count":64,"title":["Amniotic fluid prostaglandin concentrations increase before the onset of spontaneous labor at term"],"prefix":"10.1080","volume":"21","author":[{"given":"Si Eun","family":"Lee","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roberto","family":"Romero","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"In-Sook","family":"Park","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hyo Suk","family":"Seong","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chan-Wook","family":"Park","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bo Hyun","family":"Yoon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"301","published-online":{"date-parts":[[2009,7,7]]},"reference":[{"key":"CIT0001","doi-asserted-by":"publisher","DOI":"10.3109\/07853899809005850"},{"key":"CIT0002","doi-asserted-by":"publisher","DOI":"10.1111\/j.1447-0756.2005.00342.x"},{"key":"CIT0003","first-page":"R854","volume":"260","author":"Guillette L J","year":"1991","journal-title":"Am J Physiol"},{"key":"CIT0004","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1677\/joe.0.0810345","volume":"81","author":"Robinson J S","year":"1979","journal-title":"J Endocrinol"},{"key":"CIT0005","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1095\/biolreprod27.1.1","volume":"27","author":"Evans C A","year":"1982","journal-title":"Biol Reprod"},{"key":"CIT0006","doi-asserted-by":"crossref","first-page":"625","DOI":"10.1016\/S0090-6980(97)00129-9","volume":"54","author":"Schellenberg J C","year":"1997","journal-title":"Prostaglandins"},{"key":"CIT0007","first-page":"1332","volume":"76","author":"MacDonald P C","year":"1993","journal-title":"J Clin Endocrinol Metab"},{"key":"CIT0008","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9378(94)90412-X"},{"key":"CIT0009","doi-asserted-by":"publisher","DOI":"10.1016\/S0952-3278(96)90015-0"},{"key":"CIT0010","doi-asserted-by":"crossref","first-page":"521","DOI":"10.1126\/science.6573023","volume":"220","author":"Strickland D M","year":"1983","journal-title":"Science"},{"key":"CIT0011","doi-asserted-by":"crossref","first-page":"195","DOI":"10.1016\/0028-2243(78)90015-1","volume":"8","author":"Keirse M J","year":"1978","journal-title":"Eur J Obstet Gynecol Reprod Biol"},{"key":"CIT0012","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1111\/j.1471-0528.1985.tb01107.x","volume":"92","author":"Brennecke S P","year":"1985","journal-title":"Br J Obstet Gynaecol"},{"key":"CIT0013","first-page":"1198","volume":"74","author":"Collins P L","year":"1992","journal-title":"J Clin Endocrinol Metab"},{"key":"CIT0014","doi-asserted-by":"publisher","DOI":"10.1093\/molehr\/gah228"},{"key":"CIT0015","doi-asserted-by":"crossref","first-page":"597","DOI":"10.1210\/jc.2005-1982","volume":"91","author":"Helliwell R J","year":"2006","journal-title":"J Clin Endocrinol Metab"},{"key":"CIT0016","doi-asserted-by":"publisher","DOI":"10.1210\/jc.2002-021710"},{"key":"CIT0017","first-page":"5585","volume":"86","author":"Alfaidy N","year":"2001","journal-title":"J Clin Endocrinol Metab"},{"key":"CIT0018","doi-asserted-by":"crossref","first-page":"165","DOI":"10.1159\/000293368","volume":"29","author":"Jones S A","year":"1990","journal-title":"Gynecol Obstet Invest"},{"key":"CIT0019","doi-asserted-by":"publisher","DOI":"10.1016\/S1521-6934(03)00069-5"},{"key":"CIT0020","doi-asserted-by":"crossref","first-page":"13","DOI":"10.1016\/0002-9378(76)90457-9","volume":"126","author":"Dray F","year":"1976","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0021","doi-asserted-by":"crossref","first-page":"743","DOI":"10.1111\/j.1471-0528.1977.tb12484.x","volume":"84","author":"Keirse M J","year":"1977","journal-title":"Br J Obstet Gynaecol"},{"key":"CIT0022","doi-asserted-by":"crossref","first-page":"350","DOI":"10.1111\/j.1471-0528.1979.tb10609.x","volume":"86","author":"Mitchell M D","year":"1979","journal-title":"Br J Obstet Gynaecol"},{"key":"CIT0023","doi-asserted-by":"publisher","DOI":"10.1016\/0952-3278(94)90154-6"}],"container-title":["The Journal of Maternal-Fetal & Neonatal Medicine"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/14767050701830514","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,6,17]],"date-time":"2017-06-17T23:39:53Z","timestamp":1497742793000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.tandfonline.com\/doi\/full\/10.1080\/14767050701830514"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2008,1]]},"references-count":23,"journal-issue":{"issue":"2","published-online":{"date-parts":[[2009,7,7]]},"published-print":{"date-parts":[[2008,1]]}},"alternative-id":["10.1080\/14767050701830514"],"URL":"https:\/\/doi.org\/10.1080\/14767050701830514","relation":{},"ISSN":["1476-7058","1476-4954"],"issn-type":[{"value":"1476-7058","type":"print"},{"value":"1476-4954","type":"electronic"}],"subject":[],"published":{"date-parts":[[2008,1]]}}}