Recent studies on ulcerative colitis in Czechoslovakia.
D000714:Anastomosis, Surgical / Q000009:adverse effects; D003082:Colectomy; D003093:Colitis, Ulcerative / Q000601:surgery*; D003110:Colonic Neoplasms / Q000209:etiology; D006801:Humans; D007081:Ileostomy / Q000009:adverse effects; D014545:Urinary Calculi / Q000453:epidemiology