An association between ulcerative colitis, regional enteritis, and ankylosing spondylitis.
D000844:Ankylosis; D003092:Colitis; D003093:Colitis, Ulcerative; D003424:Crohn Disease; D006801:Humans; D007079:Ileitis; D013166:Spondylitis; D013167:Spondylitis, Ankylosing
COLITIS, ULCERATIVE; ILEITIS, REGIONAL; SPONDYLITIS, ANKYLOSING