title: Persistence of phenylbutazone in horses producing acid urines.
mesh_terms: D000143:Acids / Q000652:urine*; D000284:Administration, Oral; D000818:Animals; D002250:Carbon Radioisotopes; D006207:Half-Life; D006736:Horses / Q000378:metabolism*; D006863:Hydrogen-Ion Concentration; D007880:Legislation, Drug; D008657:Metabolic Clearance Rate; D010113:Oxyphenbutazone / Q000378:metabolism; D010653:Phenylbutazone / Q000378:metabolism*; D006113:United Kingdom
chemical_list: D000143:Acids; D002250:Carbon Radioisotopes; D010653:Phenylbutazone; D010113:Oxyphenbutazone