Wasfa Aijaz, Tasnim Ahsan, Babar Pal, Bharta Rani, Paras Imran, Saeeda Fouzia Qasim, “COVID-19 among Hospitalized Patients with Diabetes in Karachi: A Single Centre Study”, Pakistan Journal of Medical & Health Sciences, vol. 17, no. 03, p. 158, Mar. 2023.