title: Proceedings: The diagnosis of pseudomembranous colitis by rectal biopsy.
mesh_terms: D001706:Biopsy; D003093:Colitis, Ulcerative / Q000175:diagnosis; D003424:Crohn Disease / Q000175:diagnosis; D003937:Diagnosis, Differential; D004761:Enterocolitis, Pseudomembranous / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D012007:Rectum / Q000473:pathology