Epidemiology of rheumatic heart disease--a study of 29,922 school children.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007194:India; D008297:Male; D008944:Mitral Valve Insufficiency / Q000453:epidemiology; D008946:Mitral Valve Stenosis / Q000453:epidemiology; D012214:Rheumatic Heart Disease / Q000453:epidemiology*