during the initial 12 months of t4 treatment , relatively small doses of t4 ( 1.3 micrograms/kg ) normalized serum t4 , triiodothyronine ( t3 ) , tsh and lipid concentrations in mild hypothyroidism , while moderate doses of t4 ( 1.7-2.0 micrograms/kg ) normalized serum t4 , t3 and lipid concentrations but not serum tsh levels or the volume of sella turcica in moderate and severe hypothyroidism ;
C0041014
triiodothyronine
C0020676
hypothyroidism