1. The Arlie classification of diabetic retinopathy;Davis,1968
2. Murphy, R. P., and Patz, A.: The natural history and management of nonproliferative diabetic retinopathy. In Little, H., and Patz, A. (eds.): Diabetic Retinopathy. New York, Thieme-Stratton. In press.
3. Proliferative diabetic retinopathy. Evolution of the retinal lesions;Dobree;Br. J. Ophthalmol.,1964
4. Evolution of lesions in proliferative diabetic retinopathy: An 8 year photographic survey;Dobree,1968
5. Preretinal loops of retinal veins in retinitis proliferans;Davanger;Acta Ophthalmol.,1961