{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,23]],"date-time":"2026-08-23T15:58:49Z","timestamp":1787500729257,"version":"build-2736575974"},"reference-count":0,"publisher":"Springer Science and Business Media LLC","issue":"6","license":[{"start":{"date-parts":[[1996,11,1]],"date-time":"1996-11-01T00:00:00Z","timestamp":846806400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pediatric Cardiology"],"published-print":{"date-parts":[[1996,11,1]]},"DOI":"10.1007\/s002469900079","type":"journal-article","created":{"date-parts":[[2002,7,25]],"date-time":"2002-07-25T02:40:57Z","timestamp":1027564857000},"page":"351-359","source":"Crossref","is-referenced-by-count":18,"title":["Validation of the Proximal Isovelocity Surface Area Method for Assessing Mitral Regurgitation in Children"],"prefix":"10.1007","volume":"17","author":[{"given":"H.","family":"Aotsuka","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K.","family":"Tobita","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"H.","family":"Hamada","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Uchishiba","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S.","family":"Tateno","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K.","family":"Matsuo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"T.","family":"Fujiwara","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K.","family":"Niwa","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","container-title":["Pediatric Cardiology"],"original-title":[],"link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s002469900079.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s002469900079\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s002469900079","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,24]],"date-time":"2019-05-24T10:18:52Z","timestamp":1558693132000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s002469900079"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1996,11,1]]},"references-count":0,"journal-issue":{"issue":"6","published-print":{"date-parts":[[1996,11,1]]}},"alternative-id":["FW87VF2JAT6HRLRL"],"URL":"https:\/\/doi.org\/10.1007\/s002469900079","relation":{},"ISSN":["0172-0643","1432-1971"],"issn-type":[{"value":"0172-0643","type":"print"},{"value":"1432-1971","type":"electronic"}],"subject":[],"published":{"date-parts":[[1996,11,1]]}}}