"2" . "10.1093/CVR/2.1.19" . . "The nature of the PR interval"@nl . "im Januar 1968 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . "The nature of the PR interval"@en . . . "scientific article published on 01 January 1968"@en . . "5645462" . "T N James" . "The nature of the PR interval"@en . . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en xineru de 1968"@ast . "The nature of the PR interval"@sq . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0432 \u0441\u0456\u0447\u043D\u0456 1968"@uk . "F A Roberge" . . "The nature of the PR interval"@en . "The nature of the PR interval"@nl . . "1968-01-01T00:00:00Z"^^ . "The nature of the PR interval"@en . . "article scientifique publi\u00E9 en 1968"@fr . . "articolo scientifico (pubblicato il 1968)"@it . . . . . "1" . . "The nature of the PR interval"@sq . "artikull shkencor i botuar m\u00EB 01 janar 1968"@sq . "R A Nadeau" . "19-30" . . "wetenschappelijk artikel"@nl . . "artigo cient\u00EDfico (publicado na 1968)"@pt . "The nature of the PR interval"@sq . "The nature of the PR interval"@nl .