title: Letter: Unusual urethral obstruction in a dog.
mesh_terms: D000818:Animals; D002369:Castration / Q000662:veterinary; D004283:Dog Diseases / Q000209:etiology*; D004285:Dogs; D008297:Male; D011469:Prostatic Diseases / Q000662:veterinary; D014522:Urethral Diseases / Q000209:etiology / Q000662:veterinary*; D014948:Wounds, Gunshot / Q000150:complications / Q000601:surgery / Q000662:veterinary*