{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T18:03:43Z","timestamp":1791223423821,"version":"4.1.0"},"reference-count":0,"publisher":"American Medical Association (AMA)","issue":"11","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAMA"],"published-print":{"date-parts":[[2001,9,19]]},"DOI":"10.1001\/jama.286.11.1340","type":"journal-article","created":{"date-parts":[[2003,3,18]],"date-time":"2003-03-18T10:05:58Z","timestamp":1047981958000},"page":"1340","source":"Crossref","is-referenced-by-count":384,"title":["Mid-Trimester Endovaginal Sonography in Women at High Risk for Spontaneous Preterm Birth"],"prefix":"10.1001","volume":"286","author":[{"given":"John","family":"Owen","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"10","container-title":["JAMA"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/jamanetwork.com\/journals\/jama\/fullarticle\/194203","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2016,12,15]],"date-time":"2016-12-15T13:11:05Z","timestamp":1481807465000},"score":1,"resource":{"primary":{"URL":"http:\/\/jama.jamanetwork.com\/article.aspx?doi=10.1001\/jama.286.11.1340"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2001,9,19]]},"references-count":0,"journal-issue":{"issue":"11","published-print":{"date-parts":[[2001,9,19]]}},"URL":"https:\/\/doi.org\/10.1001\/jama.286.11.1340","relation":{},"ISSN":["0098-7484"],"issn-type":[{"value":"0098-7484","type":"print"}],"subject":[],"published":{"date-parts":[[2001,9,19]]}}}