Common skin diseases in the Transvaal: an analysis of 22,000 dermatological outpatient cases.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D044383:Black People; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008875:Middle Aged; D012871:Skin Diseases / Q000453:epidemiology*; D013019:South Africa