Relationships between serum thyrotropin, serum free thyroxine (T4), and 3,5,3'-triiodothyronine (T3) and the daily T4 and T3 production rates in euthyroid patients with multinodular goiter. - Bregengard,C.; Kirkegaard,C.; Faber,J. (J Clin Endocrinol Metab, 1987)