a variety of in vivo and in vitro methods : radioactive iodine accumulation , thyroid suppression and stimulation test , a scintigraphic study and a radioimmunoassay to determine triiodothyronine-binding capacity ( free t3 ) , thyroxine ( t4 ) concentration and the effective thyroxine ratio ( etr ) , was used for diagnostic specification and accurate planning of therapy of patients with thyroid diseases .
C0040165
thyroxine
C0040128
thyroid diseases