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Open-Access Journal
Observational Study
Associations of renal function with diabetic retinopathy and visual impairment in type 2 diabetes: A multicenter nationwide cross-sectional study 
Wisit Kaewput, Charat Thongprayoon, Ram Rangsin, Prajej Ruangkanchanasetr, Michael A Mao, Wisit Cheungpasitporn 
World J Nephrol 8(2):33-43. Published online Feb 21, 2019. doi: 10.5527/wjn.v8.i2.33