Mohan, C., J. Muthukrishnan, S. Mishra, and B. T. Nair. “Association of Diabetic Nephropathy With Diabetic Retinopathy in Type 2 Diabetes Mellitus Patients”. International Journal of Advances in Medicine, vol. 7, no. 1, Dec. 2019, pp. 17-21, doi:10.18203/2349-3933.ijam20195568.