title: Ketamine and tramadol reclassified.
mesh_terms: D004335:Drug and Narcotic Control; D006801:Humans; D007649:Ketamine / Q000145:classification*; D007880:Legislation, Drug; D014147:Tramadol / Q000145:classification*; D006113:United Kingdom; D019155:Veterinary Drugs / Q000145:classification*
chemical_list: D019155:Veterinary Drugs; D014147:Tramadol; D007649:Ketamine