title: [NORMAL DURATION OF THE ELECTRICAL SYSTOLE IN MAN].
mesh_terms: D035843:Biomedical Research; D004560:Electricity; D004562:Electrocardiography; D006801:Humans; D008297:Male; D013599:Systole
keywords: CLINICAL RESEARCH; ELECTROCARDIOGRAPHY
vernacular_title: NORMAL'NAIA DLITEL'NOST' 'ELEKTRICHESKO I SISTOLY U CHELOVEKA.