title: Letter: Serum triiodothyronine and surgery.
mesh_terms: D000768:Anesthesia, General; D005260:Female; D006801:Humans; D007044:Hysterectomy; D013514:Surgical Procedures, Operative; D013960:Thyroid Function Tests; D013974:Thyroxine / Q000097:blood; D013997:Time Factors; D014284:Triiodothyronine / Q000097:blood*
chemical_list: D014284:Triiodothyronine; D013974:Thyroxine