Hypersensitivity angiitis in a dormant black bear (Ursus americanus).
D000818:Animals; D002335:Carnivora; D004342:Drug Hypersensitivity / Q000175:diagnosis / Q000473:pathology / Q000662:veterinary*; D004423:Ear; D005260:Female; D005528:Foot; D006605:Hibernation; D006801:Humans; D009336:Necrosis / Q000139:chemically induced / Q000175:diagnosis / Q000473:pathology / Q000662:veterinary; D009666:Nose; D010406:Penicillins / Q000009:adverse effects*
D010406:Penicillins