the present study was undertaken and compare the methods for measuring free t3 ( ft3 ) by equilibrium dialysis , free t3 index ( ft3i ) , and t3 : t4-binding globulin ( t3/tbg ) in 40 healthy subjects , 26 patients with hyperthyroidism , 36 patients with hypothyroidism , 16 women in the 3rd trimester of pregnancy , 5 euthyroid subjects with low tbg , and 24 patients with non-thyroidal illnesses ( nti ) with normal or low serum t3 concentration .
C0020676
hypothyroidism
C0040132
thyroidal