[Ultrasonic echometry of the heart cavities in healthy schoolchildren].
D000293:Adolescent; D000367:Age Factors; D000886:Anthropometry; D002648:Child; D004452:Echocardiography; D005260:Female; D006262:Health; D006321:Heart / Q000254:growth & development*; D006801:Humans; D008297:Male; D012737:Sex Factors
Ul'trazvukovaia ékhometriia polosteĭ serdtsa zdorovykh deteĭ shkol'nogo vozrasta.