title: [Effects of ketamine-nitrous oxide anesthesia and surgical procedure serum levels of thyroxine and triiodothyronine].
mesh_terms: D000328:Adult; D000769:Anesthesia, Inhalation; D006801:Humans; D007649:Ketamine / Q000494:pharmacology*; D008297:Male; D008875:Middle Aged; D009609:Nitrous Oxide / Q000494:pharmacology*; D013514:Surgical Procedures, Operative; D013974:Thyroxine / Q000097:blood*; D014284:Triiodothyronine / Q000097:blood*
chemical_list: D014284:Triiodothyronine; D007649:Ketamine; D009609:Nitrous Oxide; D013974:Thyroxine