Barrett, A. M., Crowther, A F Dunlop, D., Shanks, R. G., and Smith, L. H. (1968). Naunyn-ScImiedeberg's Arch. exp. Path. Pharmak. In press. Braunwald, E., Sarnoff, S. J., and Stainsby, W. N. (1958). Circulat. Res., 6, 319. Brick, I., Hutchison, K. J., Roddie, I. C., and Shanks, R. G. (1968). Arch. Pharmacol. exp. Path. In press. Burkart, F., Barold, S., and Sowton, E. (1967). Amer. 7. Cardiol.,...