to develop a test of pituitary-thyroid responsiveness to thyrotropin-releasing hormone that would obviate the need for measuring serum thyrotropin , we determined serum thyrotropin , thyroxine , and tri-iodothyronine concentrations before and at frequent intervals after the intramuscular administration of 2 mg of thyrotropin-releasing hormone in normal subjects and in patients with a variety of thyroid disorders .
C0040132
thyroid
C0040128
of thyroid disorders