{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,21]],"date-time":"2026-04-21T22:36:22Z","timestamp":1776810982505,"version":"3.51.2"},"reference-count":26,"publisher":"Massachusetts Medical Society","issue":"18","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["N Engl J Med"],"published-print":{"date-parts":[[1992,10,29]]},"DOI":"10.1056\/nejm199210293271803","type":"journal-article","created":{"date-parts":[[2010,7,28]],"date-time":"2010-07-28T22:03:17Z","timestamp":1280354597000},"page":"1266-1271","source":"Crossref","is-referenced-by-count":129,"title":["A Randomized Trial of Psychosocial Support during High-Risk Pregnancies"],"prefix":"10.1056","volume":"327","author":[{"given":"Jos\u00e9","family":"Villar","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ubaldo","family":"Farnot","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fernando","family":"Barros","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cesar","family":"Victora","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ana","family":"Langer","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jos\u00e9 M.","family":"Belizan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"150","reference":[{"key":"r001","doi-asserted-by":"crossref","first-page":"793","DOI":"10.1016\/0002-9378(82)90012-6","volume":"143","author":"Villar","year":"1982","journal-title":"Am J Obstet Gynecol"},{"key":"r002","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM198501103120204"},{"key":"r003","first-page":"322","volume":"6","author":"Barros","year":"1985","journal-title":"World Health Forum"},{"key":"r004","first-page":"414","volume":"23","author":"Belizan","year":"1989","journal-title":"Bull Pan Am Health Organ"},{"key":"r005","first-page":"663","volume":"65","author":"Kramer","year":"1987","journal-title":"Bull World Health Organ"},{"key":"r006","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471-0528.1987.tb03094.x"},{"key":"r007","doi-asserted-by":"crossref","first-page":"1384","DOI":"10.1093\/ajcn\/53.6.1384","volume":"53","author":"Susser","year":"1991","journal-title":"Am J Clin Nutr"},{"key":"r008","first-page":"51","volume":"81","author":"Villar","year":"1988","journal-title":"Pediatrics"},{"key":"r009","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(83)92188-8"},{"key":"r010","doi-asserted-by":"publisher","DOI":"10.1016\/0022-3999(83)90050-8"},{"key":"r011","author":"Langer","journal-title":"Soc Sci Med"},{"key":"r012","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM199111143252002"},{"key":"r013","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-3016.1990.tb00639.x"},{"key":"r014","first-page":"145","volume":"5","author":"Spielberger","year":"1971","journal-title":"Rev Interam Psicol"},{"key":"r015","first-page":"624","volume":"59","author":"Williams","year":"1982","journal-title":"Obstet Gynecol"},{"key":"r016","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471-0528.1991.tb15338.x"},{"key":"r017","unstructured":"Elbourne D, Oakley A, Chalmers I. Social and psychological support during pregnancy. In: Chalmers I, Enkin M, Keirse MJNC, eds. Effective care in pregnancy and childbirth. Vol. 1. Pregnancy. Oxford, England: Oxford University Press, 1989:221\u201336."},{"key":"r018","unstructured":"Chalmers TC, Buyse ME. Meta-analysis. In: Chalmers TC, ed. Data analysis for clinical medicine: the quantitative approach to patient care in gastroenterology. Rome: International University Press, 1988:75\u201384."},{"key":"r019","doi-asserted-by":"publisher","DOI":"10.1016\/0028-2243(90)90006-M"},{"key":"r020","first-page":"341","volume":"75","author":"Heins","year":"1990","journal-title":"Obstet Gynecol"},{"key":"r021","doi-asserted-by":"crossref","first-page":"16","DOI":"10.1542\/peds.77.1.16","volume":"77","author":"Olds","year":"1986","journal-title":"Pediatrics"},{"key":"r022","doi-asserted-by":"crossref","first-page":"138","DOI":"10.1542\/peds.78.1.138c","volume":"78","year":"1986","journal-title":"Pediatrics"},{"key":"r023","doi-asserted-by":"publisher","DOI":"10.1001\/jama.265.17.2197"},{"key":"r024","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM198009113031101"},{"key":"r025","doi-asserted-by":"publisher","DOI":"10.1016\/0140-6736(91)90142-C"},{"key":"r026","doi-asserted-by":"publisher","DOI":"10.1093\/ije\/19.4.788"}],"container-title":["New England Journal of Medicine"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/www.nejm.org\/doi\/pdf\/10.1056\/NEJM199210293271803","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,6,2]],"date-time":"2023-06-02T12:39:26Z","timestamp":1685709566000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.nejm.org\/doi\/abs\/10.1056\/NEJM199210293271803"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1992,10,29]]},"references-count":26,"journal-issue":{"issue":"18","published-print":{"date-parts":[[1992,10,29]]}},"alternative-id":["10.1056\/NEJM199210293271803"],"URL":"https:\/\/doi.org\/10.1056\/nejm199210293271803","relation":{},"ISSN":["0028-4793","1533-4406"],"issn-type":[{"value":"0028-4793","type":"print"},{"value":"1533-4406","type":"electronic"}],"subject":[],"published":{"date-parts":[[1992,10,29]]}}}