1. Balazs, R., Cocks, W. A., Eayrs, J. T., & Kovacs, S. Biochemical effects of thyroid hormones on the developing brain. In M. Hamburgh and E. J. W. Harrington (Eds.), Hormones in development. New York: Appleton-Century-Crofts, 1971.
2. Best, M. M., & Duncan, C. H. Accelerated maturation and persistent growth impairment in the rat resulting from thyroxine administration in the neonatal period. Journal of Laboratory and Clinical Medicine, 1969, 73, 135–143.
3. Campbell, B. A., Lytle, L. D., & Fibiger, H. C. Ontogeny of adrenergic arousal and cholinergic inhibitory mechanisms in the rat. Science, 1969, 635-637.
4. Campbell, B. A., & Mabry, P. D. Ontogeny of behavioral arousal: A comparative study. Journal of Comparative and Physiological Psychology, 1972, 81, 371–379.
5. Davenport, J. W., & Dorcey, T. P. Hypothyroidism: Learning deficit induced in rats by early exposure to thiouracil. Hormones and Behavior, 1972, 3, 97–112.