This is a review of the history of thyroid function testing and its basis. The intellectual barrier to properly assessing TSH is still there. We are however mentioned.
Front. Endocrinol., 02 November 2022
doi.org/10.3389/fendo.2022....
Use of levothyroxine in the management of hypothyroidism: A historical perspective
George J. Kahaly1* and Ulrike Gottwald-Hostalek2