hyperthyroidism was accomplished in rats injected with triiodothyronine 0.2 mg/kg i.p . every two days for 70 days ( long period group ) or every day for 5 days ( short period group ) and hypothyroidism induced by feeding rats a diet to which 0.3 % propylthiouracil had been added for 70 days ( long period group ) or 30 days ( short period group ) .
C0041014
triiodothyronine
C0020676
hypothyroidism