{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,4,25]],"date-time":"2025-04-25T23:03:21Z","timestamp":1745622201872},"reference-count":32,"publisher":"Informa UK Limited","issue":"12","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Gynecological Endocrinology"],"published-print":{"date-parts":[[2011,12]]},"DOI":"10.3109\/09513590.2011.569799","type":"journal-article","created":{"date-parts":[[2011,4,15]],"date-time":"2011-04-15T17:50:18Z","timestamp":1302889818000},"page":"1061-1064","source":"Crossref","is-referenced-by-count":11,"title":["First trimester serum levels of 25-hydroxyvitamin D, free \u03b2-human chorionic gonadotropin, and pregnancy-associated plasma protein A in Spanish women"],"prefix":"10.1080","volume":"27","author":[{"given":"Ana M.","family":"Fern\u00e1ndez-alonso","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carlos J.","family":"Valdera-simbr\u00f3n","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gabriel","family":"Fiol-Ruiz","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Firma","family":"Rodr\u00edguez-s\u00e1nchez","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter","family":"Chedraui","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Faustino R.","family":"P\u00e9rez-l\u00f3pez","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"301","published-online":{"date-parts":[[2011,4,15]]},"reference":[{"key":"CIT0001","doi-asserted-by":"crossref","first-page":"13","DOI":"10.1080\/09513590601045629","volume":"23","author":"P\u00e9rez-L\u00f3pez FR","year":"2007","journal-title":"Gynecol Endocrinol"},{"key":"CIT0002","doi-asserted-by":"crossref","first-page":"266","DOI":"10.1056\/NEJMra070553","volume":"357","author":"Holick MF","year":"2007","journal-title":"N Engl J Med"},{"key":"CIT0003","doi-asserted-by":"crossref","first-page":"710","DOI":"10.1111\/j.1753-4887.2008.00126.x","volume":"66","author":"Lucas RM","year":"2008","journal-title":"Nutr Rev"},{"key":"CIT0004","doi-asserted-by":"crossref","first-page":"263","DOI":"10.1016\/j.jsgi.2004.02.002","volume":"11","author":"Evans KN","year":"2004","journal-title":"J Soc Gynecol Investig"},{"key":"CIT0005","doi-asserted-by":"crossref","first-page":"816","DOI":"10.1095\/biolreprod.106.054056","volume":"75","author":"Evans KN","year":"2006","journal-title":"Biol Reprod"},{"key":"CIT0006","doi-asserted-by":"crossref","first-page":"398","DOI":"10.1095\/biolreprod.108.073577","volume":"80","author":"Liu N","year":"2009","journal-title":"Biol Reprod"},{"key":"CIT0007","doi-asserted-by":"publisher","DOI":"10.1016\/j.jsbmb.2006.07.010"},{"key":"CIT0008","doi-asserted-by":"crossref","DOI":"10.1186\/1477-7827-6-3","volume":"6","author":"Barrera D","year":"2008","journal-title":"Reprod Biol Endocrinol"},{"key":"CIT0009","doi-asserted-by":"crossref","first-page":"17","DOI":"10.1016\/j.jri.2009.02.005","volume":"81","author":"D\u00edaz L","year":"2009","journal-title":"J Reprod Immunol"},{"key":"CIT0010","unstructured":"Agencia Estatal de Meteorolog\u00eda. Valores climatol\u00f3gicos de Almer\u00eda. http:\/\/www.aemet.es\/es\/elclima\/datosclimatologicos\/valoresclimatologicos?l=6325O&k\u200a=\u200aand Last accessed 20 October 2010."},{"key":"CIT0011","doi-asserted-by":"publisher","DOI":"10.1373\/clinchem.2008.111732"},{"key":"CIT0012","unstructured":"Siemens Healthcare Diagnostics Products Ltd. www.medical.siemens.com\/.Last accessed 20 October 2010."},{"key":"CIT0013","first-page":"1101","volume":"2","author":"P\u00e9rez-L\u00f3pez FR","year":"1974","journal-title":"Int Res Commun"},{"key":"CIT0014","doi-asserted-by":"crossref","first-page":"246","DOI":"10.1007\/978-3-642-66008-5_51","volume-title":"Therapy of fetoplacental insufficiency","author":"Pujol-Amat P","year":"1975"},{"key":"CIT0015","first-page":"459","volume-title":"Neuropeptides, neurotransmitters and regulation of endocrine processes","author":"P\u00e9rez-L\u00f3pez FR","year":"1982"},{"key":"CIT0016","doi-asserted-by":"crossref","first-page":"379","DOI":"10.3109\/09513598709082711","volume":"1","author":"Bersinger NA","year":"1987","journal-title":"Gynecol Endocrinol"},{"key":"CIT0017","doi-asserted-by":"publisher","DOI":"10.1080\/09513590701327638"},{"key":"CIT0018","doi-asserted-by":"crossref","first-page":"121","DOI":"10.3109\/09513590.2010.487614","volume":"27","author":"Calleja-Agius J","year":"2011","journal-title":"Gynecol Endocrinol"},{"key":"CIT0019","doi-asserted-by":"crossref","first-page":"1446","DOI":"10.1016\/j.ajog.2004.06.052","volume":"191","author":"Dugoff L","year":"2004","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0020","doi-asserted-by":"crossref","first-page":"618","DOI":"10.1002\/uog.5331","volume":"31","author":"Kagan KO","year":"2008","journal-title":"Ultrasound Obstet Gynecol"},{"key":"CIT0021","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa003147"},{"key":"CIT0022","doi-asserted-by":"crossref","first-page":"612","DOI":"10.1016\/S0002-9378(96)70436-2","volume":"174","author":"Krantz DA","year":"1996","journal-title":"Am J Obstet Gynecol"},{"key":"CIT0023","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2010.11.002"},{"key":"CIT0024","doi-asserted-by":"crossref","first-page":"1027","DOI":"10.1016\/j.placenta.2010.08.015","volume":"31","author":"Shin JS","year":"2010","journal-title":"Placenta"},{"key":"CIT0025","doi-asserted-by":"crossref","first-page":"1950","DOI":"10.1086\/652804","volume":"201","author":"Equils O","year":"2010","journal-title":"J Infect Dis"},{"key":"CIT0026","doi-asserted-by":"crossref","first-page":"954","DOI":"10.1210\/jcem-63-4-954","volume":"63","author":"Bikle DD","year":"1986","journal-title":"J Clin Endocrinol Metab"},{"key":"CIT0027","doi-asserted-by":"publisher","DOI":"10.1258\/0004563041201464"},{"key":"CIT0028","doi-asserted-by":"crossref","first-page":"1092","DOI":"10.1002\/mnfr.201000044","volume":"54","author":"Lewis S","year":"2010","journal-title":"Mol Nutr Food Res"},{"key":"CIT0029","author":"P\u00e9rez-L\u00f3pez FR","journal-title":"Repr Sci"},{"key":"CIT0030","doi-asserted-by":"crossref","first-page":"291","DOI":"10.1515\/CCLM.2011.054","volume":"49","author":"Sennels HP","year":"2010","journal-title":"Clin Chem Lab Med"},{"key":"CIT0031","doi-asserted-by":"crossref","first-page":"973","DOI":"10.1111\/j.1471-0528.1981.tb01683.x","volume":"88","author":"Bischof P","year":"1981","journal-title":"Br J Obstet Gynaecol"},{"key":"CIT0032","doi-asserted-by":"crossref","first-page":"243","DOI":"10.1016\/j.ecl.2010.02.002","volume":"39","author":"Christakos S","year":"2010","journal-title":"Endocrinol Metab Clin North Am"}],"container-title":["Gynecological Endocrinology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/www.tandfonline.com\/doi\/pdf\/10.3109\/09513590.2011.569799","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,6,6]],"date-time":"2023-06-06T10:05:59Z","timestamp":1686045959000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.tandfonline.com\/doi\/full\/10.3109\/09513590.2011.569799"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2011,4,15]]},"references-count":32,"journal-issue":{"issue":"12","published-online":{"date-parts":[[2011,4,18]]},"published-print":{"date-parts":[[2011,12]]}},"alternative-id":["10.3109\/09513590.2011.569799"],"URL":"https:\/\/doi.org\/10.3109\/09513590.2011.569799","relation":{},"ISSN":["0951-3590","1473-0766"],"issn-type":[{"value":"0951-3590","type":"print"},{"value":"1473-0766","type":"electronic"}],"subject":[],"published":{"date-parts":[[2011,4,15]]}}}