U. Ghani, Z. Niaz, T. M. Cheema, S. Abaidullah, S. Salman, and F. Latif, “Determining the Association Between Retinopathy and Metabolic Syndrome in Patients with Type 2 Diabetes Mellitus Visiting Mayo Hospital, Lahore”, Annals KEMU, vol. 16, no. 2, p. 101, Oct. 2010.