Dey, S., Ghosh, D., & Giri, J. (2026). Association of Serum Magnesium Status and Calcium–Magnesium Ratio with Diabetic Retinopathy in an Urban Hospital of Kolkata. Indian Journal of Pharmaceutical and Biological Research, 14(02), 75-78. Retrieved from https://www.ijpbr.in/index.php/IJPBR/article/view/1178