1. Brit;AGARWAL, L.P.; GUPTA, R.B.L.; MALIK, S.R.K.;J. Ophthal,1959
2. Arch. Ophthal;BEST, M.; POLA, R.; BLUMENTHAL, M.; GALIN, M.A.,1970
3. GALIN, M. A., ROBBINS, R., and OBSTBAUm, S. A. (1970) Ibid., (In Press)
4. GARTNER, S. (1959) A.M.A. Arch. Ophthal., 6x, 50 (1961) Arch. Ophthal. (Chicago), 66, 76
5. Amer;GUNDZIK, J.D.; MAYER, J.H.;J. Ophthal,1963