Shazia Qayyum; Muhammad Afzal; Abdul Khaliq Naveed; Butt, I. A.; Madiha Sajjad; Moiz Azam. Association of Vascular Endothelial Growth Factor a Gene (VEGFA) Polymorphisms, rs699947 and rs1570360, With Diabetic Retinopathy and Altered VEGF Secretion in the Pakistani Patients With Type 2 Diabetes Mellitus: A Case-Control Study. J Pak Med Assoc 2023, 73, 2348-2356.