title: Unusual urethral obstruction in a dog.
mesh_terms: D000818:Animals; D002130:Calcium Phosphates; D003556:Cystitis / Q000662:veterinary; D004283:Dog Diseases / Q000209:etiology*; D004285:Dogs; D002523:Edible Grain; D005547:Foreign Bodies / Q000662:veterinary*; D008297:Male; D012639:Seeds; D014526:Urethritis / Q000662:veterinary*; D014545:Urinary Calculi / Q000662:veterinary*; D014546:Urinary Catheterization
chemical_list: D002130:Calcium Phosphates