7The Diabetic Retinopathy Study Research Group. Photocoagulation treatment of prolit:rative diabetic retinopathy. Clinical application of Diabetic Retinopathy Study (DRS) findings, DRS Repm't Number 8 [ J ]. Ophthalmology, 1981,88 ( 7 ) : 583-600.
8Nagpal M, Marlecha S, Nagpal K. Comparison of laser photocoagulation for diabetic retinopathy using 532-nm standard laser versus multispot pattern scan laser[ J]. Retina,2010,30 (3) : 452 -458. doi: 10. 1097/ IAE. 0bO13e3181 c70127.