[Cardiac characteristics in children and adolescents engaged in swimming].
D000293:Adolescent; D002306:Cardiac Volume; D002648:Child; D005260:Female; D006321:Heart / Q000502:physiology*; D006801:Humans; D008297:Male; D013550:Swimming
Ob osobennostiiakh serdtsa u deteĭ i podrostkov, zanimaiushchikhsia sportivnym plavaniem