1. Můr, J., Zaruba, M., and Charamza, O., Acta Universitatis PalacKianae Olomucensis, 11, 141 (1956).
2. Howell, J. McC., Nature, 201, 83 (1964).
3. Sunderman, jun., E. W., White, J. C., and Sunderman, F. W., Amer. J. Med. Sci., 34, 875 (1963).
4. Thorn, G. D., and Ludwig, R. A., in The Dithiocarbamates and Related Compounds, (Elsevier Publishing Co., 1962).