1. Amer;ASHTON, N.;J. Ophthal,1966
2. BELLHORN, R. W., FRIEDMAN, A. H., and HENKIND, P. (1972) Ibid., 74, 517
3. Brit;BALL, c j; HENKIND, P.;j. Ophthal,1967
4. BAUM, J. L., and WISE, G. N. (1966) Ibid., 6I, 528
5. COGAN, D. G., and KUWABARA, T. (1963) Diabetes, 12, 293