title: The determination of liothyronine and thyroxine in thyroid preparations.
mesh_terms: D002845:Chromatography; D013961:Thyroid Gland / Q000032:analysis*; D013974:Thyroxine / Q000032:analysis*; D014284:Triiodothyronine / Q000032:analysis*
chemical_list: D014284:Triiodothyronine; D013974:Thyroxine