to evaluate the effect of starvation , oral and i.v . nutriments , and hypothyroidism on the peripheral conversion of thyroxine ( t4 ) to 3,3 ' , 5-triiodothyronine ( t3 ) in the rat and mouse , an in vitro system for assessing t4 conversion to t3 by fresh liver homogenates was used .
C0020676
hypothyroidism
C0041014
triiodothyronine