Muhammad Zafar Iqbal, Malik Irfan Ahmed, Abdul Qadir Khurrum, Samra Riaz, Ali Kamran. “Prevalence and Severity of Visual Impairment in Patients With Diabetic Foot Sepsis Presenting in Surgical OPD of a Tertiary Care Hospital: An Observational Study”. Pakistan Journal of Medical & Health Sciences, vol. 17, no. 11, Nov. 2023, p. 667, doi:10.53350/pjmhs020231711667.