title: The effect of surgical operation of moderate severity on thyroid function.
mesh_terms: D004381:Duodenal Ulcer / Q000601:surgery*; D005743:Gastrectomy; D006801:Humans; D007118:Immunoassay; D008297:Male; D011708:Pylorus / Q000601:surgery; D013514:Surgical Procedures, Operative; D013960:Thyroid Function Tests; D013961:Thyroid Gland / Q000502:physiology*; D013972:Thyrotropin / Q000097:blood; D013974:Thyroxine / Q000097:blood; D013975:Thyroxine-Binding Proteins / Q000378:metabolism; D013997:Time Factors; D014284:Triiodothyronine / Q000097:blood; D014628:Vagotomy
chemical_list: D013975:Thyroxine-Binding Proteins; D014284:Triiodothyronine; D013972:Thyrotropin; D013974:Thyroxine