IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-7-51232 Original Research Paper A Cross Sectional Study On Association Between Serum Magnesium And Stages Of Diabetic Retinopathy Santhalayam Sivankunju Deeja Dr. Dr. Kangujam Satyabati Devi Dr. July 2023 12 7 01 02