{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T15:32:21Z","timestamp":1777563141468,"version":"3.51.4"},"reference-count":1,"publisher":"BMJ","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Heart"],"published-print":{"date-parts":[[1971,11,1]]},"DOI":"10.1136\/hrt.33.6.910","type":"journal-article","created":{"date-parts":[[2007,9,18]],"date-time":"2007-09-18T21:46:00Z","timestamp":1190151960000},"page":"910-916","source":"Crossref","is-referenced-by-count":2,"title":["Simple method of evaluating vectorcardiographic loops in children."],"prefix":"10.1136","volume":"33","author":[{"given":"K U","family":"Aziz","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R C","family":"Ellison","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"O S","family":"Miettinen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"R S","family":"Jones","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","reference":[{"issue":"457","key":"ref_1","first-page":"2","article-title":"The Requests for reprints to Dr","volume":"5","author":"Young, E.; Liebman, J.; Nadas, A.S.","year":"1960","unstructured":"Young, E., Liebman, J., and Nadas, A. S. (1960). The Requests for reprints to Dr. R. S. Jones, Alder normal vectorcardiogram of children. American Hey Children's Hospital, Eaton Road, Liverpool, Jrournal of Cardiology, 5, 457. LI2 2AP.","journal-title":"American Hey Children's Hospital, Eaton Road, Liverpool, Jrournal of Cardiology; Alder normal vectorcardiogram of children"}],"container-title":["Heart"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/hrt.33.6.910","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,9,26]],"date-time":"2020-09-26T00:40:37Z","timestamp":1601080837000},"score":1,"resource":{"primary":{"URL":"https:\/\/heart.bmj.com\/lookup\/doi\/10.1136\/hrt.33.6.910"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1971,11,1]]},"references-count":1,"journal-issue":{"issue":"6","published-print":{"date-parts":[[1971,11,1]]}},"URL":"https:\/\/doi.org\/10.1136\/hrt.33.6.910","relation":{},"ISSN":["1355-6037"],"issn-type":[{"value":"1355-6037","type":"print"}],"subject":[],"published":{"date-parts":[[1971,11,1]]}}}