title: Letter: Rectal prolapses in cattle associated with pyrrolizidine alkaloid poisoning.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000209:etiology*; D010939:Plant Poisoning / Q000209:etiology / Q000662:veterinary*; D011763:Pyrrolizidine Alkaloids / Q000506:poisoning*; D012005:Rectal Prolapse / Q000209:etiology / Q000662:veterinary*
chemical_list: D011763:Pyrrolizidine Alkaloids