1. Miller, J. W., and Elliott, H. W., J. Pharmacol. Exp. Ther., 113, 283 (1955).
2. Muté, S. J., Clements, T. H., Layson, R. C., and Haertzen, C. A., Arch. Intern. Pharmacodyn., 173, 201 (1968).
3. Woods, L. A., J. Pharmacol. Exp. Ther., 112, 158 (1954).
4. Mulé, S. J., and Woods, L. A., J. Pharmacol. Exp. Ther., 136, 232 (1962).
5. Jóhannesson, T., and Woods, L. A., Acta Pharmacol. Toxicol., 21, 381 (1964).