title: Animal behavior case of the month.
authors.affiliation: Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, Philadelphia 19104-6010, USA.
authors.forename: K L
authors.initials: KL
authors.lastname: Overall
mesh_terms: D000374:Aggression / Q000502:physiology*; D000375:Aging / Q000502:physiology; D000818:Animals; D001522:Behavior, Animal; D001774:Blood Chemical Analysis / Q000662:veterinary; D002371:Cat Diseases / Q000209:etiology / Q000503:physiopathology*; D002415:Cats; D005500:Follow-Up Studies; D008297:Male; D010808:Physical Examination / Q000379:methods / Q000662:veterinary; D014555:Urination Disorders / Q000209:etiology / Q000503:physiopathology / Q000662:veterinary*