Ulcerative colitis in patients with ankylosing spondylitis.
D001466:Barium Sulfate; D003093:Colitis, Ulcerative / Q000000981:diagnostic imaging / Q000209:etiology*; D004733:Enema; D005260:Female; D006801:Humans; D008297:Male; D011859:Radiography; D012812:Sigmoidoscopy; D013167:Spondylitis, Ankylosing / Q000150:complications* / Q000000981:diagnostic imaging
D001466:Barium Sulfate