hypothyroid female rats obtained following 1 month administration of 6-n-propyl-2-thiouracil ( ptu ) as well as euthyroid animals were treated with a low ( 3 micrograms/kg/day ) or high ( 67 micrograms/kg/day ) dose of l-thyroxine ( t4 ) for 4-10 days before sacrifice .
C0020676
hypothyroid
C0040165
thyroxine