“Comparison of Panretinal Photocoagulation Alone With Panretinal Photocoagulation Plus Intravitreal Bevacizumab in Treatment of High Risk Proliferative Diabetic Retinopathy”. Journal of Fatima Jinnah Medical University, vol. 10, no. 1, July 2018, https://jfjmu.com/index.php/ojs/article/view/401.