Frequency of different types of heart disease in black children in South Africa.
D000293:Adolescent; D044383:Black People; D002648:Child; D002675:Child, Preschool; D006330:Heart Defects, Congenital / Q000453:epidemiology; D006331:Heart Diseases / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D012214:Rheumatic Heart Disease / Q000453:epidemiology; D013019:South Africa