1. S. E. Geel and P. S. Timiras, this volume, Chapter 16. la. L. Sokoloff, this volume, Chapter 18.
2. M. Reiss, T. Wakoh, J. C. Hillman, J. J. Pearse, J. M. Reiss, and N. Daley, Anz. J. Mental Deficiency 70, 4, 520 (1966).
3. M. Reiss, J. C. Hillman, J. Reiss, N. Daley, and S. Haylock, J. Ment. Def. Res. 10, 116 (1966).
4. M. Reiss, M. B. Sideman, and E. S. Plichta, J. Ment. Def. Res. 10, 130 (1966).
5. E. G. Frame and J. A. Russell, Endocrinology 39, 420 (1946).