title: Importance of distinguishing primary from secondary peritonitis.
authors.forename: David G
authors.initials: DG
authors.lastname: Langford
mesh_terms: D000818:Animals; D002371:Cat Diseases / Q000175:diagnosis / Q000209:etiology; D002415:Cats; D003937:Diagnosis, Differential; D004283:Dog Diseases / Q000175:diagnosis* / Q000209:etiology; D004285:Dogs; D010538:Peritonitis / Q000175:diagnosis / Q000209:etiology / Q000662:veterinary*; D001743:Urinary Bladder / Q000002:abnormalities*