in order to clarify the conversion of thyroxine ( t4 ) to triiodothyronine ( t3 ) or to reverse t3 ( rt3 ) , serum concentrations of t4 , t3 , rt3 , thyrotropin ( tsh ) , thyroxine-binding globulin ( tbg ) and values of t3 uptake ( t3 u ) were measured in 61 hyperthyroid and 31 hypothyroid patients , 8 patients with subacute thyroiditis , and 40 normal subjects .
C0040165
thyroxine
C0020676
hypothyroid