Davis, M.D., Myers, F.L., Engerman, R.L., et al.: Clinical observations concerning the pathogenesis of diabetic retinopathy, in Symposium on the Treatment of Diabetic Retinopathy . Edited by Goldberg and FineWashington, D.C., U.S. Government Printing Office, 1969, p. 47.
Caird, F.I., Pirie, A., Ramsell, T.G.: Diabetes and the Eye. Oxford, Blackwell Scientific Publications, 1969.
5.
Berkow, J.W. , Patz, A., et al.: A retrospective study of blind diabetic patients. JAMA, 193: 867-870, 1965.
6.
Patz, A., Berkow, J.W.: Visual and systemic prognosis in diabetic retinopathy. Trans. Am. Acad. Ophthalmol Otolaryngol., 72: 253-258, 1968.
7.
Okun, E., Johnston, G.P., Boniuk, I.: Management of Diabetic Retinopathy: A Stereoscopic Presentation. St. Louis, Missouri, C. V. Mosby Co., 1971.
8.
Okun E.: The effectiveness of photocoagulation in the therapy of proliferative diabetic retinopathy (PDR) (A controlled study in 50 patients.)Trans. Am. Acad. Ophthalmol. Otolaryngol., 72: 246, 1968.
9.
Okun, E., Cibis, P.A.: The role of photocoagulation in the therapy of proliferative diabetic retinopathy . Arch. Ophthalmol., 75: 337-352, 1966.
Zweng, H. C. (Ed.): Recent advances in photocoagulation. Int. Ophthalmol. Clin. 16(4). Boston, Little, Brown, 1976.
12.
Davis, M.D.: Personal communication.
13.
Diabetic Retinopathy Study Research Group : Preliminary report on effects of photocoagulation therapy . Am. J. Ophthalmol.81: 383, 1976.
14.
Goldberg, M. F., Fine, S. L. (Eds.): Symposium on the treatment of diabetic retinopathy. Part IV. Washington, D.C., U.S. Government Printing Office, 1969, p. 147.
15.
Okun, E., Fung, W.E.: Therapy of diabetic retinal detachment. Transactions of the New Orleans Academy of Ophthalmology. Symposium on Retina and Retinal Surgery. St. Louis, C.V. Mosby Co. , 1969.
16.
Okun, E., Burgess, D.: Pars plana lensectomy and vitrectomy with the Douvas roto-extractor in diabetic retinopathy, in Advances in Vitreous Surgery. Edited by A. Irvine, C. O'Malley.Springfield, Charles C Thomas, 1976, pp. 555-560.