Muhammad Junaid Sethi, Umer Khan, Natasha Junaid, Nazli Gul, Ishan Ullah, Muhammad Israr 2023. Diabetic Retinopathy Prevalence in Patients with Established Diabetes Mellitus:A tertiary Care Hospital Study. Pakistan Journal of Medical & Health Sciences. 16, 11 (Jan. 2023), 795. DOI:https://doi.org/10.53350/pjmhs20221611795.