title: [STATUS OF THE CARDIOVASCULAR SYSTEM IN CHILDREN AND ADOLESCENTS IN ORGANIZED COLLECTIVES OF ASTRAKHAN (CLINICAL AND ELECTRO- AND PHONO-CARDIOGRAPHIC STUDY)].
mesh_terms: D000293:Adolescent; D002318:Cardiovascular Diseases; D002319:Cardiovascular System; D002648:Child; D004562:Electrocardiography; D006330:Heart Defects, Congenital; D006801:Humans; D009205:Myocarditis; D010701:Phonocardiography; D012214:Rheumatic Heart Disease; D014069:Tonsillitis; D014586:USSR
keywords: ADOLESCENCE; CARDIOVASCULAR DISEASES; CHILD; ELECTROCARDIOGRAPHY; HEART DEFECTS, CONGENITAL; MYOCARDITIS; PHONOCARDIOGRAPHY; RHEUMATIC HEART DISEASE; TONSILLITIS; USSR
vernacular_title: SOSTOIANIE SERDECHNO-SOSUDISTO I SISTEMY U DETE I I PODROSTKOV V ORGANIZOVANNYKH KOLLEKTIVAKH ASTRAKHANI (KLINICHESKOE, 'ELEKTRO- I FONOKARDIOGRAFICHESKOE ISSLEDOVANIE)