Co-Relation Of Hba1c Level With Severity Of Diabetic Retinopathy: A Cross-Sectional Study In Ghazipur, UP. The Review of Diabetic Studies , [S. l.], p. 457–464, 2025. DOI: 10.70082/2b4wbt84. Disponível em: https://diabeticstudies.org/index.php/RDS/article/view/1760. Acesso em: 1 feb. 2026.