title: Decreasing incidence of sigmoid volvulus at Baragwanath Hospital Johannesburg.
mesh_terms: D000328:Adult; D004032:Diet; D005260:Female; D006801:Humans; D007415:Intestinal Obstruction / Q000453:epidemiology*; D008297:Male; D012810:Sigmoid Diseases / Q000453:epidemiology*; D013019:South Africa