title: [CONTRACTION CAPACITY OF THE MYOCARDIUM IN HEALTHY CHILDREN OF VARIOUS AGE GROUPS].
mesh_terms: D000293:Adolescent; D001450:Ballistocardiography; D035843:Biomedical Research; D002319:Cardiovascular System; D002648:Child; D004562:Electrocardiography; D006321:Heart; D006801:Humans; D007223:Infant; D009206:Myocardium; D010827:Physiology
keywords: ADOLESCENCE; BALLISTOCARDIOGRAPHY; CARDIOVASCULAR SYSTEM; CHILD; CLINICAL RESEARCH; ELECTROCARDIOGRAPHY; HEART; INFANT; PHYSIOLOGY
vernacular_title: SOSTOIANIE SOKRATITEL'NO I SPOSOBNOSTI MIOKARDA U ZDOROVYKH DETE I RAZNYKH VOZRASTNYKH GRUPP.