title: Colonoscopy and barium enemas.
mesh_terms: D001466:Barium Sulfate; D003113:Colonoscopy; D003287:Contrast Media; D004733:Enema; D006801:Humans; D007410:Intestinal Diseases / Q000175:diagnosis; D007420:Intestine, Large
chemical_list: D003287:Contrast Media; D001466:Barium Sulfate