title: Rectal biopsy--a piece of the diagnostic jigsaw puzzle.
authors.forename: S W
authors.initials: SW
authors.lastname: Ricketts
mesh_terms: D000818:Animals; D001706:Biopsy / Q000379:methods / Q000662:veterinary*; D003625:Data Collection; D005767:Gastrointestinal Diseases / Q000175:diagnosis / Q000473:pathology / Q000662:veterinary*; D006734:Horse Diseases / Q000175:diagnosis* / Q000473:pathology*; D006736:Horses; D015212:Inflammatory Bowel Diseases / Q000175:diagnosis / Q000473:pathology / Q000662:veterinary; D011349:Proctitis / Q000175:diagnosis / Q000473:pathology / Q000662:veterinary; D012007:Rectum / Q000473:pathology*