title: [VECTORCARDIOGRAPHIC STUDIES ON THE ELECTRICAL ACTIVITY OF THE HEART OF NORMAL CHILDREN. (THE VENTRICULAR COMPLEX)].
mesh_terms: D035843:Biomedical Research; D002648:Child; D006321:Heart; D006352:Heart Ventricles; D006801:Humans; D014672:Vectorcardiography
keywords: CHILD; CLINICAL RESEARCH; VECTORCARDIOGRAPHY
vernacular_title: VEKTORKARDIOGRAFICHESKOE ISSLEDOVANIE 'ELEKTRICHESKO I AKTIVNOSTI SERDTSA ZDOROVYKH DETE I. (ZHELUDOCHKOVY I KOMPLEKS)