title: [Isovolumetric contraction of the left heart ventricle in primary rheumocarditis in children (apex cardiographic studies)].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006352:Heart Ventricles; D006801:Humans; D007702:Kinetocardiography; D009200:Myocardial Contraction; D012214:Rheumatic Heart Disease / Q000503:physiopathology*
vernacular_title: Ob izovoliumetricheskoĭ kontraktsii levogo zheludochka serdtsa pri pervichnykh revmakarditakh u deteĭ (apekskardiograficheskie issledovaniia)