{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,30]],"date-time":"2025-10-30T22:44:30Z","timestamp":1761864270479,"version":"build-2065373602"},"reference-count":0,"publisher":"Elsevier BV","issue":"4","license":[{"start":{"date-parts":[[2021,4,1]],"date-time":"2021-04-01T00:00:00Z","timestamp":1617235200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,4,1]],"date-time":"2021-04-01T00:00:00Z","timestamp":1617235200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2022,4,1]],"date-time":"2022-04-01T00:00:00Z","timestamp":1648771200000},"content-version":"vor","delay-in-days":365,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","jacc.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["JACC: Cardiovascular Imaging"],"published-print":{"date-parts":[[2021,4]]},"DOI":"10.1016\/j.jcmg.2020.04.032","type":"journal-article","created":{"date-parts":[[2021,4,5]],"date-time":"2021-04-05T20:36:57Z","timestamp":1617655017000},"page":"879","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":2,"title":["Case Studies in Assessment of the Mechanism and Severity of Mitral Regurgitation"],"prefix":"10.1016","volume":"14","author":[{"given":"Paul A.","family":"Grayburn","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"James D.","family":"Thomas","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","container-title":["JACC: Cardiovascular Imaging"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1936878X21001649?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1936878X21001649?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,30]],"date-time":"2025-10-30T17:50:17Z","timestamp":1761846617000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1936878X21001649"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,4]]},"references-count":0,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2021,4]]}},"alternative-id":["S1936878X21001649"],"URL":"https:\/\/doi.org\/10.1016\/j.jcmg.2020.04.032","relation":{},"ISSN":["1936-878X"],"issn-type":[{"type":"print","value":"1936-878X"}],"subject":[],"published":{"date-parts":[[2021,4]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Case Studies in Assessment of the Mechanism and Severity of Mitral Regurgitation","name":"articletitle","label":"Article Title"},{"value":"JACC: Cardiovascular Imaging","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.jcmg.2020.04.032","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"https:\/\/doi.org\/10.1016\/j.jcmg.2020.06.049","name":"associatedlink","label":"CrossRef DOI link to the associated document"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2021 by the American College of Cardiology Foundation. Published by Elsevier.","name":"copyright","label":"Copyright"}]}}