Nisar Ahmed Khan, Asma Shams, Narain Das, Riaz Ahmed Memon, Nadeem Memon, Abdul Haq Shaikh 2022. Frequency of Factors Responsible for Diabetic Retinopathy Among Patients of Type II Diabetes Mellitus. Pakistan Journal of Medical & Health Sciences. 16, 05 (Jun. 2022), 578. DOI:https://doi.org/10.53350/pjmhs22165578.