title: Free thyroxine in human serum: simplified measurement with the aid of magnesium precipitation.
mesh_terms: D001774:Blood Chemical Analysis; D011232:Chemical Precipitation; D003956:Dialysis; D005260:Female; D006801:Humans; D006980:Hyperthyroidism; D007037:Hypothyroidism; D066298:In Vitro Techniques; D008274:Magnesium; D011247:Pregnancy; D013960:Thyroid Function Tests; D013974:Thyroxine
chemical_list: D008274:Magnesium; D013974:Thyroxine