Ulcerative colitis and sacroiliitis: a family study.
D003093:Colitis, Ulcerative / Q000235:genetics*; D005260:Female; D006801:Humans; D008297:Male; D011859:Radiography; D012446:Sacroiliac Joint; D013166:Spondylitis / Q000000981:diagnostic imaging / Q000235:genetics*; D013167:Spondylitis, Ankylosing / Q000235:genetics