Serum levels of thyrotropin, prolactin, growth hormone, triiodothyronine and thyroxine after oral administration of thyrotropin releasing hormone in hypothyroid and hyperthyroid patients.


After peroral administration of TRH there were found elevated responses of TSH and HPr in hypothyroidism but not in hyperthyroidism. While the basal levels of TSH were elevated in hypothyroidism and depressed in hyperthyroidism, no such difference has been found in the case of basal levels of HPr. After TRH stimulation the levels of HGH decreased especially… (More)


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