1. Shepard T.H. Onset of function in the human fetal thyroid. Biochemical and radioautographic studies from organ culture. J. Clin. Endocrinol. 27: 945, 1967.
2. Costa A., Cottino F., Delle Plane M., Ferraris G.M., Lenart L., Magro G., Patrito G., Zoppetti G. 567 Thyroid function and thyrotropin activity in mother and fetus. In: Cassano C., Andreoli M. (Eds.), Current topics in thyroid research. Academic Press, New York, 1965, p. 738.
3. Karmarker M.G., Prabakaran D., Godbole M.M., Ahuja M.M. Thyroid hormone contents and 5,5’ monodeiodinase activities in developing human cerebral cortex. In: De Long G.R., Robbins J., Condliffe P.G. (Eds.), Iodine and the brain. Plenum Press, New York, 1988, p. 357.
4. Bernai J., Pekonen F. Ontogenesis of the nuclear 3, 5, 3’-triiodothyronine receptor in the human fetal brain. Endocrinology 114: 677, 1987.
5. Morreale de Escobar G., Obregon M.J., Escobar del Rey F. Fetal and maternal thyroid hormones. Horm. Res. 26: 12, 1987.