1. Preliminary report on effects of photocoagulation therapy;Diabetic Retinopathy Study Research Group;Am. J. Ophthalmol.,1976
2. Manual of Operations;Diabetic Retinopathy Study,1972
3. PDR in juvenile onset diabetics;Singerman;High-risk proliferative diabetic retinopathy in juvenile onset diabetics. Retina,1981
4. Calculation of total retinal area;Taylor;Br. J. Ophthalmol.,1971
5. Non-linear projection of the retinal image in a wide-angle schematic eye;Drasdo;Br. J. Ophthalmol.,1974