title: Ulcerative colitis and Crohn's disease--one or two diseases?
authors.affiliation: Department of Medicine Prague, Czechoslovakia.
authors.forename: Z
authors.initials: Z
authors.lastname: Maratka
mesh_terms: D003093:Colitis, Ulcerative / Q000145:classification* / Q000209:etiology; D003106:Colon / Q000473:pathology; D003424:Crohn Disease / Q000145:classification* / Q000209:etiology; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology