1. See, for example, Shen, T. Y., Windholz, T. B., Rosegay, A., Witzel, B. E., Wilson, A. N., Willett, J. D., Holtz, W. J., Ellis, R. L., Matzuk, A. R., Lucas, S., Stammer, C. H., Holy, F. W., Sarett, L. H., Risley, A. A., Nuss, G. W., and Winter, C. A., J. Amer. Chem. Soc., 85, 488 (1963); Winder, C. V., Wax, J., Querubin, B. S., Jones, E. M., and McPhee, M. L., Arthr. and Rheum., 6, 36 (1963); Delbarre, F., Buu-Hoï, N. P., Jacquignon, P., Brouilhet, H., Kahan, A., and Marty, M., Medicina Experimentalis, 11, 325, 389 (1964).
2. Benitz, K. F., and Hall, L. M., Arch. Intern. Pharmacodyn., 144, 185 (1963).
3. See Whitehouse, M. W., in Progress in Drug Research, 8, 321 (1965).
4. Blake, L., Graene, M. L., and Sigg, E. B., Medicina Experimentalis, 9, 146 (1963).
5. Results evaluated according to the method of Litchfield and Wilcoxson; see, for example, Litchfield, J. T., The Evaluation of Drug Toxicity (Churchill, London, 1958).