Akbri, M. Z. A. (2001) “SERUM SIALIC ACID LEVEL IN DIABETIC RETINOPATHY”, Journal of Ayub Medical College Abbottabad, 13(1), pp. 29–30. Available at: https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/4841 (Accessed: 14 March 2025).