title: Prospective study of outpatients with extensive colitis.
mesh_terms: D000328:Adult; D000368:Aged; D000553:Ambulatory Care; D001466:Barium Sulfate; D001706:Biopsy; D003082:Colectomy; D003093:Colitis, Ulcerative / Q000097:blood / Q000150:complications / Q000175:diagnosis / Q000401:mortality / Q000601:surgery / Q000628:therapy*; D003106:Colon / Q000473:pathology; D003110:Colonic Neoplasms / Q000209:etiology; D004733:Enema; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology; D008297:Male; D008875:Middle Aged; D010044:Outpatient Clinics, Hospital; D011182:Postoperative Care; D011230:Precancerous Conditions / Q000209:etiology; D011446:Prospective Studies; D012007:Rectum / Q000473:pathology; D012812:Sigmoidoscopy
chemical_list: D001466:Barium Sulfate