Preliminary study of the incidence of intestinal schistosomiasis amongst the non-white races of Natal, Union of South Africa.
D004194:Disease; D006801:Humans; D015994:Incidence; D007410:Intestinal Diseases; D007422:Intestines; D012552:Schistosomiasis / Q000453:epidemiology*; D012555:Schistosomiasis mansoni; D013019:South Africa
INTESTINES/diseases; SCHISTOSOMIASIS/epidemiology