title: Preface.
authors: Ronaldo C
authors: RC
authors: da Costa
mesh_terms: D000818:Animals; D002371:Cat Diseases / Q000175:diagnosis* / Q000628:therapy*; D002415:Cats; D004283:Dog Diseases / Q000175:diagnosis* / Q000628:therapy*; D004285:Dogs; D013122:Spinal Diseases / Q000175:diagnosis / Q000628:therapy / Q000662:veterinary*