Hussain, J., M. Rehman, and B. Khan. “FREQUENCY OF DIFFERENT GRADES OF PROLIFERATIVE VITREO-RETINOPATHY IN PATIENTS ADMITTED FOR RHEGMATOGENOUS RETINAL DETACHMENT”. Journal of Postgraduate Medical Institute, vol. 30, no. 3, July 2016, https://jpmi.org.pk/index.php/jpmi/article/view/1821.