Incidence and management of anorectal abscess, fistula and fissure, in patients with ulcerative colitis.
D000038:Abscess / Q000150:complications*; D003093:Colitis, Ulcerative / Q000150:complications*; D005260:Female; D005401:Fissure in Ano / Q000150:complications*; D006801:Humans; D012003:Rectal Fistula / Q000150:complications*; D012006:Rectovaginal Fistula / Q000150:complications*