title: Histological patchiness and sparing of the rectum in ulcerative colitis: refuting the dogma.
authors.forename: C N
authors.initials: CN
authors.lastname: Bernstein
authors.forename: F
authors.initials: F
authors.lastname: Shanahan
authors.forename: W M
authors.initials: WM
authors.lastname: Weinstein
mesh_terms: D003093:Colitis, Ulcerative / Q000473:pathology*; D003424:Crohn Disease / Q000473:pathology*; D003937:Diagnosis, Differential; D006801:Humans; D012007:Rectum / Q000473:pathology*