Letter: Endoscopy in inflammatory bowel disease.
D000230:Adenocarcinoma / Q000175:diagnosis; D001466:Barium Sulfate; D003092:Colitis / Q000175:diagnosis*; D003110:Colonic Neoplasms / Q000175:diagnosis; D003937:Diagnosis, Differential; D004724:Endoscopy; D004733:Enema; D006801:Humans; D011127:Polyps / Q000175:diagnosis
D001466:Barium Sulfate