{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T11:01:27Z","timestamp":1789729287122,"version":"4.0.1"},"reference-count":0,"publisher":"Springer Science and Business Media LLC","issue":"6","license":[{"start":{"date-parts":[[1998,11,1]],"date-time":"1998-11-01T00:00:00Z","timestamp":909878400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pediatr Cardiol"],"published-print":{"date-parts":[[1998,11]]},"DOI":"10.1007\/s002469900358","type":"journal-article","created":{"date-parts":[[2002,7,25]],"date-time":"2002-07-25T02:52:29Z","timestamp":1027565549000},"page":"463-467","source":"Crossref","is-referenced-by-count":33,"title":["Age-Related Variation in Left Ventricular Myocardial Contractile State Expressed by the Stress Velocity Relation"],"prefix":"10.1007","volume":"19","author":[{"given":"R.","family":"Crepaz","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"W.","family":"Pitscheider","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G.","family":"Radetti","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L.","family":"Gentili","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2014,3,19]]},"container-title":["Pediatric Cardiology"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s002469900358.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/article\/10.1007\/s002469900358\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"http:\/\/link.springer.com\/content\/pdf\/10.1007\/s002469900358","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,24]],"date-time":"2019-05-24T10:18:58Z","timestamp":1558693138000},"score":1,"resource":{"primary":{"URL":"http:\/\/link.springer.com\/10.1007\/s002469900358"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1998,11]]},"references-count":0,"journal-issue":{"issue":"6","published-print":{"date-parts":[[1998,11]]}},"alternative-id":["358"],"URL":"https:\/\/doi.org\/10.1007\/s002469900358","relation":{},"ISSN":["0172-0643","1432-1971"],"issn-type":[{"value":"0172-0643","type":"print"},{"value":"1432-1971","type":"electronic"}],"subject":[],"published":{"date-parts":[[1998,11]]}}}