1. B.I.O.S. Final Report, No. 116, Item No. 24, pp. 51, 56, 65.
2. Scott, C. C., and Chen, K. K., J. Pharm. Exp. Ther., 87, 63 (1946).
3. Scott, C. C., Robbins, R. B., and Chen, K. K., Science, 104, 587 (1946).
4. Thorp, R. H., Brit. J. Pharmacol., 1, 113 (1946).
5. Gaddum, J. H., J. Physiol., 99, 257 (1941).