1. Adv. Exp. Med. and Biol.;J.M. Pereira,1975
2. Pereira, J.M., G.A. Mears, and G.F. Holland, Fed. Proc. 34:789 (1975).
3. Kritchevsky, D., S.A. Tepper, and J.A. Story, Arzneim.-Forsch. 26:862 (1976).
4. Ryan, J.R., A.K. Jain, and F.G. McMahon, Clin. Pharmacol. Ther. 15:218 (1974).
5. Sirtori, C.R., S. Zoppi, B. Quarisa, and E. Agradi, Pharmacol. Res. Comm. 6:445 (1974).