Correlation between Serum Cystatin C Level and Retinal Vascular Diameter in Type 2 Diabetes Mellitus 
WU Zedan,WU Jing,CHEN Linjiang,WANG Hanjing,MA Ming,LIN Lili
Chinese General Practice . 2020, (15): 1895 -1903 .  DOI: 10.12114/j.issn.1007-9572.2019.00.625