Epidemiology of heart disease in school children in rural and urban areas.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D006331:Heart Diseases / Q000453:epidemiology*; D006801:Humans; D008297:Male; D012213:Rheumatic Fever / Q000453:epidemiology*; D012424:Rural Population; D013785:Thailand; D014505:Urban Population