S. S. . Rathod, M. . Agarwal, D. . Aggarwal, and N. S. C. . Siddhant, “Correlation Between Systemic Risk Factors (Blood Pressure, HbA1c, Lipid Profile) and Severity of Diabetic Retinopathy”, IJPBR, vol. 14, no. 03, pp. 361–364, Aug. 2026.