1. Brit. 3Y;BELL, R.W.; BULLOCK, J.D.; ALBERT, D.M.;Ophthal,1975
2. Lab;BENSCH, K.G.; GORDON, G.B.; MILLER, L.R.;Cancer (Philad.),1965
3. British Journal of Ophthalmology BRODERICK, P. A. (1973) 7. thorac. cardiovasc. Surg., 65, 134
4. Surg;DAVIS, Z.; MOERTEL, C.G.; MICILRATH, D.C.;Gvnec. Obstet,1973
5. Amer;FONT, R.L.; KAUFER, G.;_r. Ophthal,1963