1. Amer;ACACIO, I.; GOLDBERG, M.F.;J. Ophthal,1973
2. Y;ARDEN, G.B.; GREAVES, D.P.;Physiol. (Lond.),1956
3. v;BOCK, J.; BORNSCHEIN, H.; HOMMER, K.;Graefes Arch. Ophthal,1963
4. , and (1964) Ibid., I67, 276
5. CHARACHE, S., and CONLEY, C. L. (1964) Blood, 24, 25