patients were divided into three groups on the basis of clinical assessment , four-hour ( 131 ) i uptake , triiodothyronine ( t-3 ) resin uptake , and protein-bound iodine measurements.in 31 patients with no evidence of thyroid disease the mean ( 99m ) tc uptake was 1.8 % +/-s.d .
C0041014
t-3
C0040128
thyroid disease