steroid treatment , however , suppressed the pituitary response to trh , t ( 3 ) in doses increased over a period of 12 days to as much as 150 mug daily caused a rise in serum t ( 3 ) to above 800 ng per 100 ml , a decline of t ( 4 ) to euthyroid levels ( t ( 4 ) 9.5 mug per 100 ml , free t ( 4 ) 1.6 ng per 100 ml ) , suppression of the rai uptake from 68 % to 35 % , and marked blunting of the responses to trh , but the bmr and insensible water loss remained normal .
C0032002
pituitary
C0040162
trh