title: Blood sulfonamide levels in feedlot cattle with respiratory disease.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy*; D012141:Respiratory Tract Infections / Q000188:drug therapy / Q000662:veterinary*; D013418:Sulfamethazine / Q000008:administration & dosage / Q000097:blood / Q000627:therapeutic use; D013449:Sulfonamides / Q000097:blood*
chemical_list: D013449:Sulfonamides; D013418:Sulfamethazine