1) Braverman, L.E., Ingber, S.H. and Sterling, K. : Conversion of thyroxine (T4) to triiodothyronine (T3) in athyreotic human subjects. J. Clin. Invest., 49 : 855-864, 1970.
2) Cotton, G.E., Gorman, C.A. and Mayberry, W.E. : Suppression of thyrotropin (h-TSH) in serums of patients with myxedema of varying etiology treated with thyroid hormones. N. Engl. J. Med., 285 : 529-533, 1971.
3) Evered, D., Young, E.T., Ormston, B.J., Menzies, R., Smith, P.A. and Hall, R. : Treatment of hypothyroidism : a reappraisal of thyroxine therapy. Brit. Med. J., 3 : 131-134, 1973.
4) Hays, M.T. : Absorption of oral thyroxine in man. J. Clin. Endocr., 28 : 749-756, 1968.
5) Lieblich, J. and Utiger, R.D. : Triiodothyronine radioimmunoassay. J. Clin. Invest., 51 : 157-166, 1972.