1. Hinshaw, L. B., Page, B. B., Brake, C. M., and Emerson, T. E., Am. J. Physiol., 205, 1033 (1963).
2. Honda, N., Aizawa, C., and Yosnitoshi, Y., Am. J. Physiol., 215, 190 (1968).
3. Aiken, J. W., and Vane, J. R., J. Pharm. exp. Ther., 184, 678 (1973).
4. Lonigro, A. J., Terragno, N. A., Malik, K. U., and McGiff, J. C., J. lab. clin. Med., 78, 1016 (1971).
5. Herbaczynska-Cedro, K., and Vane, J. R., Proc. fifth int. pharmac. Congress. Abstr., p. 596.