{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,6]],"date-time":"2026-02-06T21:21:59Z","timestamp":1770412919935,"version":"3.49.0"},"reference-count":47,"publisher":"Oxford University Press (OUP)","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["International Journal of Epidemiology"],"published-print":{"date-parts":[[2014,2,1]]},"DOI":"10.1093\/ije\/dyt214","type":"journal-article","created":{"date-parts":[[2014,1,23]],"date-time":"2014-01-23T01:37:28Z","timestamp":1390441048000},"page":"174-184","source":"Crossref","is-referenced-by-count":15,"title":["Periconceptional intake of vitamins and fetal death: a cohort study on multivitamins and folate"],"prefix":"10.1093","volume":"43","author":[{"given":"E. A.","family":"Nohr","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.","family":"Olsen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B. H.","family":"Bech","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"L. M.","family":"Bodnar","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S. F.","family":"Olsen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. M.","family":"Catov","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2014,1,21]]},"reference":[{"key":"1_22040236","first-page":"73","volume":"55","author":"Renzo","year":"2005","ISSN":"https:\/\/id.crossref.org\/issn\/1661-6677","issn-type":"print"},{"key":"2_22040232","first-page":"1","volume":"55","author":"Kramer","year":"2005","ISSN":"https:\/\/id.crossref.org\/issn\/1661-6677","issn-type":"print"},{"issue":"6","key":"3_29834432","doi-asserted-by":"publisher","first-page":"465","DOI":"10.1097\/MED.0b013e3282f1cfc6","volume":"14","author":"Lim","year":"2007","ISSN":"https:\/\/id.crossref.org\/issn\/1752-2978","issn-type":"print"},{"issue":"1","key":"4_27993042","doi-asserted-by":"publisher","first-page":"53","DOI":"10.1071\/RD06130","volume":"19","author":"Symonds","year":"2007","journal-title":"Reproduction, Fertility, and Development","ISSN":"https:\/\/id.crossref.org\/issn\/0004-9417","issn-type":"print"},{"issue":"9","key":"5_18303706","doi-asserted-by":"crossref","first-page":"2169","DOI":"10.1093\/jn\/134.9.2169","volume":"134","author":"Wu","year":"2004","journal-title":"The Journal of Nutrition","ISSN":"https:\/\/id.crossref.org\/issn\/0022-3166","issn-type":"print"},{"issue":"5","key":"6_22264385","doi-asserted-by":"publisher","first-page":"470","DOI":"10.1093\/aje\/kwj218","volume":"164","year":"2006","journal-title":"American Journal of Epidemiology","ISSN":"https:\/\/id.crossref.org\/issn\/0002-9262","issn-type":"print"},{"issue":"11","key":"7_34601734","doi-asserted-by":"publisher","first-page":"1304","DOI":"10.1093\/aje\/kwp052","volume":"169","year":"2009","journal-title":"American Journal of Epidemiology","ISSN":"https:\/\/id.crossref.org\/issn\/0002-9262","issn-type":"print"},{"issue":"3","key":"8_28561806","doi-asserted-by":"publisher","first-page":"296","DOI":"10.1093\/aje\/kwm071","volume":"166","year":"2007","journal-title":"American Journal of Epidemiology","ISSN":"https:\/\/id.crossref.org\/issn\/0002-9262","issn-type":"print"},{"issue":"3","key":"9_40411766","doi-asserted-by":"publisher","first-page":"906","DOI":"10.3945\/ajcn.111.012393","volume":"94","year":"2011","journal-title":"The American Journal of Clinical Nutrition","ISSN":"https:\/\/id.crossref.org\/issn\/0002-9165","issn-type":"print"},{"issue":"2-3","key":"10_35607993","doi-asserted-by":"publisher","first-page":"303","DOI":"10.1387\/ijdb.082764gb","volume":"54","author":"Burton","year":"2010","journal-title":"The International journal of developmental biology","ISSN":"https:\/\/id.crossref.org\/issn\/0214-6282","issn-type":"print"},{"issue":"6","key":"11_10576216","doi-asserted-by":"publisher","first-page":"2111","DOI":"10.1016\/S0002-9440(10)64849-3","volume":"157","author":"Jauniaux","year":"2000","journal-title":"American Journal Of Pathology","ISSN":"https:\/\/id.crossref.org\/issn\/0002-9440","issn-type":"print"},{"key":"12_47284882","doi-asserted-by":"crossref","first-page":"199","DOI":"10.1016\/j.rigapp.2006.05.004","volume":"6","year":"2006","journal-title":"REV GYNECOL PERINAT PRACT"},{"issue":"1","key":"13_16942058","doi-asserted-by":"publisher","first-page":"36","DOI":"10.1053\/sper.2002.29836","volume":"26","author":"Craven","year":"2002","journal-title":"Seminars in perinatology","ISSN":"https:\/\/id.crossref.org\/issn\/0146-0005","issn-type":"print"},{"issue":"4","key":"14_17776117","doi-asserted-by":"publisher","first-page":"231","DOI":"10.1093\/tropej\/49.4.231","volume":"49","author":"Leunen","year":"2003","journal-title":"Journal of Tropical Pediatrics","ISSN":"https:\/\/id.crossref.org\/issn\/0142-6338","issn-type":"print"},{"issue":"4","key":"15_16991487","doi-asserted-by":"publisher","first-page":"1762","DOI":"10.1210\/jc.87.4.1762","volume":"87","author":"Smith","year":"2002","journal-title":"Journal of Clinical Endocrinology &amp; Metabolism","ISSN":"https:\/\/id.crossref.org\/issn\/0021-972X","issn-type":"print"},{"issue":"18","key":"16_18334840","doi-asserted-by":"publisher","first-page":"2249","DOI":"10.1001\/jama.292.18.2249","volume":"292","author":"Smith","year":"2004","journal-title":"JAMA","ISSN":"https:\/\/id.crossref.org\/issn\/0098-7484","issn-type":"print"},{"issue":"8","key":"17_18048450","doi-asserted-by":"publisher","first-page":"754","DOI":"10.1056\/NEJMp038245","volume":"350","author":"Zhang","year":"2004","journal-title":"New England Journal of Medicine","ISSN":"https:\/\/id.crossref.org\/issn\/0028-4793","issn-type":"print"},{"issue":"1","key":"18_10726146","doi-asserted-by":"publisher","first-page":"9","DOI":"10.1046\/j.1365-3016.1999.00159.x","volume":"13","author":"Rasmussen","year":"1999","journal-title":"Paediatric and perinatal epidemiology","ISSN":"https:\/\/id.crossref.org\/issn\/0269-5022","issn-type":"print"},{"issue":"8","key":"19_18048447","doi-asserted-by":"publisher","first-page":"777","DOI":"10.1056\/NEJMoa031587","volume":"350","author":"Surkan","year":"2004","journal-title":"New England Journal of Medicine","ISSN":"https:\/\/id.crossref.org\/issn\/0028-4793","issn-type":"print"},{"issue":"5","key":"22_36966632","doi-asserted-by":"publisher","first-page":"534","DOI":"10.1016\/j.amepre.2010.01.025","volume":"38","author":"Tinker","year":"2010","journal-title":"American journal of preventive medicine","ISSN":"https:\/\/id.crossref.org\/issn\/0749-3797","issn-type":"print"},{"key":"23_46016859","first-page":"CD004073","volume":"1","year":"2011","journal-title":"Cochrane database of systematic reviews (Online)","ISSN":"https:\/\/id.crossref.org\/issn\/1469-493X","issn-type":"print"},{"issue":"5","key":"24_28006692","doi-asserted-by":"crossref","first-page":"243","DOI":"10.5694\/j.1326-5377.2007.tb00882.x","volume":"186","author":"Muggli","year":"2007","journal-title":"Medical Journal of Australia","ISSN":"https:\/\/id.crossref.org\/issn\/1326-5377","issn-type":"print"},{"issue":"9076","key":"25_5715001","doi-asserted-by":"publisher","first-page":"513","DOI":"10.1016\/S0140-6736(97)01342-1","volume":"350","author":"Hook","year":"1997","journal-title":"Lancet","ISSN":"https:\/\/id.crossref.org\/issn\/0140-6736","issn-type":"print"},{"issue":"3","key":"26_6473282","doi-asserted-by":"publisher","first-page":"261","DOI":"10.1002\/(SICI)1096-8628(20000131)90:3<261::AID-AJMG18>3.0.CO;2-L","volume":"90","author":"Windham","year":"2000","journal-title":"American journal of medical genetics","ISSN":"https:\/\/id.crossref.org\/issn\/0148-7299","issn-type":"print"},{"issue":"11","key":"27_34601715","doi-asserted-by":"publisher","first-page":"1312","DOI":"10.1093\/aje\/kwp050","volume":"169","year":"2009","journal-title":"American Journal of Epidemiology","ISSN":"https:\/\/id.crossref.org\/issn\/0002-9262","issn-type":"print"},{"issue":"2","key":"28_23684768","doi-asserted-by":"publisher","first-page":"170","DOI":"10.1111\/j.1471-0528.2006.01193.x","volume":"114","author":"Maconochie","year":"2007","journal-title":"BJOG : an international journal of obstetrics and gynaecology","ISSN":"https:\/\/id.crossref.org\/issn\/1470-0328","issn-type":"print"},{"issue":"5","key":"29_18848736","doi-asserted-by":"crossref","first-page":"1213S","DOI":"10.1093\/ajcn\/81.5.1213","volume":"81","author":"Bailey","year":"2005","journal-title":"The American Journal of Clinical Nutrition","ISSN":"https:\/\/id.crossref.org\/issn\/0002-9165","issn-type":"print"},{"issue":"2","key":"30_11052495","doi-asserted-by":"publisher","first-page":"204","DOI":"10.1002\/1096-8628(20010115)98:2<204::AID-AJMG1032>3.0.CO;2-D","volume":"98","author":"Wald","year":"2001","journal-title":"American journal of medical genetics","ISSN":"https:\/\/id.crossref.org\/issn\/0148-7299","issn-type":"print"},{"issue":"21","key":"31_28786827","doi-asserted-by":"publisher","first-page":"2351","DOI":"10.1001\/jama.297.21.2351","volume":"297","author":"Cole","year":"2007","journal-title":"JAMA","ISSN":"https:\/\/id.crossref.org\/issn\/0098-7484","issn-type":"print"},{"issue":"14","key":"32_40926188","doi-asserted-by":"publisher","first-page":"1549","DOI":"10.1001\/jama.2011.1437","volume":"306","author":"Klein","year":"2011","journal-title":"JAMA","ISSN":"https:\/\/id.crossref.org\/issn\/0098-7484","issn-type":"print"},{"issue":"18","key":"33_16192998","doi-asserted-by":"publisher","first-page":"1150","DOI":"10.1056\/NEJM199605023341802","volume":"334","author":"Omenn","year":"1996","journal-title":"New England Journal of Medicine","ISSN":"https:\/\/id.crossref.org\/issn\/0028-4793","issn-type":"print"},{"issue":"1","key":"34_18600222","doi-asserted-by":"publisher","first-page":"37","DOI":"10.7326\/0003-4819-142-1-200501040-00110","volume":"142","year":"2005","journal-title":"Annals of Internal Medicine","ISSN":"https:\/\/id.crossref.org\/issn\/0003-4819","issn-type":"print"},{"issue":"18","key":"35_40851099","doi-asserted-by":"publisher","first-page":"1625","DOI":"10.1001\/archinternmed.2011.445","volume":"171","author":"Mursu","year":"2011","journal-title":"Archives of Internal Medicine","ISSN":"https:\/\/id.crossref.org\/issn\/0003-9926","issn-type":"print"},{"issue":"6","key":"36_22538095","doi-asserted-by":"crossref","first-page":"771","DOI":"10.1079\/PHN2005883","volume":"9","author":"Mikkelsen","year":"2006","journal-title":"Public health nutrition","ISSN":"https:\/\/id.crossref.org\/issn\/1368-9800","issn-type":"print"},{"issue":"4","key":"37_30749114","doi-asserted-by":"publisher","first-page":"463","DOI":"10.1038\/sj.ejcn.1602745","volume":"62","author":"Knudsen","year":"2008","journal-title":"European Journal of Clinical Nutrition","ISSN":"https:\/\/id.crossref.org\/issn\/1476-5640","issn-type":"print"},{"issue":"3","key":"38_15681116","doi-asserted-by":"publisher","first-page":"131","DOI":"10.1007\/BF02390940","volume":"255","author":"Czeizel","year":"1994","journal-title":"Archives of gynecology and obstetrics","ISSN":"https:\/\/id.crossref.org\/issn\/0932-0067","issn-type":"print"},{"issue":"2","key":"39_11440451","doi-asserted-by":"publisher","first-page":"179","DOI":"10.1002\/ajmg.10052","volume":"104","author":"Czeizel","year":"2001","journal-title":"American journal of medical genetics","ISSN":"https:\/\/id.crossref.org\/issn\/0148-7299","issn-type":"print"},{"issue":"8760","key":"40_9514842","doi-asserted-by":"publisher","first-page":"131","DOI":"10.1016\/0140-6736(91)90133-A","volume":"338","year":"1991","journal-title":"Lancet","ISSN":"https:\/\/id.crossref.org\/issn\/0140-6736","issn-type":"print"},{"issue":"9078","key":"41_5727377","doi-asserted-by":"crossref","first-page":"665","DOI":"10.1016\/S0140-6736(05)63358-2","volume":"350","author":"Wald","year":"1997","journal-title":"Lancet","ISSN":"https:\/\/id.crossref.org\/issn\/0140-6736","issn-type":"print"},{"issue":"5","key":"42_10361716","doi-asserted-by":"publisher","first-page":"301","DOI":"10.1002\/1096-8628(20000619)92:5<301::AID-AJMG1>3.0.CO;2-J","volume":"92","author":"Hook","year":"2000","journal-title":"American journal of medical genetics","ISSN":"https:\/\/id.crossref.org\/issn\/0148-7299","issn-type":"print"},{"issue":"2","key":"43_11440452","doi-asserted-by":"publisher","first-page":"181","DOI":"10.1002\/ajmg.1602","volume":"104","author":"Hook","year":"2001","journal-title":"American journal of medical genetics","ISSN":"https:\/\/id.crossref.org\/issn\/0148-7299","issn-type":"print"},{"key":"44_10646408","first-page":"206","volume":"112","year":"2000","journal-title":"The Indian journal of medical research","ISSN":"https:\/\/id.crossref.org\/issn\/0971-5916","issn-type":"print"},{"issue":"11","key":"45_38159933","doi-asserted-by":"publisher","first-page":"2907","DOI":"10.1093\/humrep\/deq260","volume":"25","year":"2010","journal-title":"Human Reproduction","ISSN":"https:\/\/id.crossref.org\/issn\/0268-1161","issn-type":"print"},{"issue":"3","key":"46_9488580","doi-asserted-by":"publisher","first-page":"163","DOI":"10.1097\/00001648-199105000-00001","volume":"2","author":"Stein","year":"1991","journal-title":"Epidemiology (Cambridge, Mass.)","ISSN":"https:\/\/id.crossref.org\/issn\/1044-3983","issn-type":"print"},{"issue":"2","key":"47_11440451","doi-asserted-by":"crossref","first-page":"179","DOI":"10.1002\/ajmg.10052","volume":"104","year":"2001","journal-title":"American journal of medical genetics","ISSN":"https:\/\/id.crossref.org\/issn\/0148-7299","issn-type":"print"},{"issue":"9517","key":"48_21964087","doi-asserted-by":"publisher","first-page":"1145","DOI":"10.1016\/S0140-6736(06)68433-X","volume":"367","author":"Poston","year":"2006","journal-title":"Lancet","ISSN":"https:\/\/id.crossref.org\/issn\/0140-6736","issn-type":"print"},{"key":"50_44201731","first-page":"CD004905","volume":"11","author":"Haider","year":"2012","journal-title":"Cochrane database of systematic reviews (Online)","ISSN":"https:\/\/id.crossref.org\/issn\/1469-493X","issn-type":"print"}],"container-title":["International Journal of Epidemiology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/academic.oup.com\/ije\/article-pdf\/43\/1\/174\/2179852\/dyt214.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,8,14]],"date-time":"2020-08-14T13:33:37Z","timestamp":1597412017000},"score":1,"resource":{"primary":{"URL":"https:\/\/academic.oup.com\/ije\/article-lookup\/doi\/10.1093\/ije\/dyt214"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014,1,21]]},"references-count":47,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2014,2,28]]},"published-print":{"date-parts":[[2014,2,1]]}},"URL":"https:\/\/doi.org\/10.1093\/ije\/dyt214","relation":{},"ISSN":["0300-5771","1464-3685"],"issn-type":[{"value":"0300-5771","type":"print"},{"value":"1464-3685","type":"electronic"}],"subject":[],"published":{"date-parts":[[2014,1,21]]}}}