serum 3,3',5'-triiodothyronine ( rt3 ) , 3,5,3'-triiodothyronine ( t3 ) , thyroxine ( t4 ) and propylthiouracil ( ptu ) were measured before and at short intervals for 8 hours after oral administration of 200 mg ptu to six patients with untreated thyrotoxicosis .
C0040165
thyroxine
C0040156
thyrotoxicosis