[Rheumatic fever and the rheumatic heart disease in schoolchildren. (1st). The epidemiological aspect].
D000293:Adolescent; D002648:Child; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D012213:Rheumatic Fever / Q000453:epidemiology*; D012214:Rheumatic Heart Disease / Q000453:epidemiology*