Parveen, N., and I. Z. Qureshi. “VASCULAR ENDOTHELIAL GROWTH FACTOR, INTERLEUKIN 6 AND LEPTIN IN THE SERUM AND VITREOUS FLUID OF TYPE 2 DIABETIC PATIENTS”. Journal of Medical Sciences, vol. 21, no. 1, Feb. 2013, pp. 40-43, https://jmedsci.com/index.php/Jmedsci/article/view/372.