Prevalence of gastroenteritis in four ethnic groups of South African children.
D001741:Black or African American; D044383:Black People; D002675:Child, Preschool; D005759:Gastroenteritis / Q000453:epidemiology*; D006801:Humans; D007194:India / Q000208:ethnology; D007223:Infant; D013019:South Africa; D044465:White People