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), p. 795. doi: 10.53350/pjmhs20221611795.