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. (2023). Journal of Fatima Jinnah Medical University, 16(2), 63-68. https://doi.org/10.37018/mhkk.2868