Urinary tract fistulas in Crohn's disease: surgery versus medical therapy.
D003424:Crohn Disease / Q000150:complications*; D005402:Fistula / Q000188:drug therapy* / Q000209:etiology / Q000601:surgery*; D006801:Humans; D014570:Urologic Diseases / Q000188:drug therapy* / Q000209:etiology / Q000601:surgery*