title: Clinical features, pathophysiology, complications and endoscopic findings in ulcerative colitis.
mesh_terms: D001650:Bile Duct Neoplasms / Q000209:etiology; D003093:Colitis, Ulcerative / Q000150:complications / Q000473:pathology / Q000503:physiopathology; D003106:Colon / Q000503:physiopathology; D003108:Colonic Diseases / Q000209:etiology; D004724:Endoscopy; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology; D007416:Intestinal Perforation / Q000209:etiology; D008103:Liver Cirrhosis / Q000209:etiology; D008532:Megacolon, Toxic / Q000209:etiology; D011351:Proctoscopy; D013167:Spondylitis, Ankylosing / Q000209:etiology