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3. Response of proliferative diabetic retinopathy to xenon-arc photocoagulation;Chen;Trans Ophthalmol Soc UK,1976
4. Argon Laser v. Xenon arc photocoagulation in proliferative diabetic retinopathy;Crick;Trans Ophthalmol Soc UK,1978
5. Peripheral retinal ablation in diabetic retinopathy;Daviese;Trans Ophthalmol,1979