“Demographic features and outcomes in critically ill mechanically ventilated COVID-19 patients with respiratory failure in a resource limited ICU setting – Report from a tertiary care center in Karachi: Critically ill COVID-19 patients in a resource limited ICU setting”, J Fatima Jinnah Med Univ, vol. 16, no. 2, pp. 63–68, Feb. 2023, doi: 10.37018/mhkk.2868.