1. Zucker, M. B., and Borrelli, J., Proc. Soc. Exp. Biol. and Med., 109, 779 (1962).
2. Zucker, M. B., Thromb. Diath. Haemorh., Suppl., 26, 175 (1967).
3. Niewiarowski, S., Bankowski, E., and Rogowicka, I., Thromb. Diath. Haemorrh., 14, 387 (1965).
4. Wilner, G. D., Nossel, H. L., and LeRoy, E. C., J. Clin. Invest., (in the press).
5. Wilner, G. D., Nossel, H. L., and LeRoy, E. C., J. Clin. Invest, (in the press).