Sadaf, S., Durrani, H. D., & Bashir, B. (2021). Effectiveness of Non-Invasive vs. Invasive Ventilation in Acute Hypoxic Respiratory Failure in COVID-19 Patients in Critical Care: A Retrospective Cohort in Rahim Yar Khan, Pakistan. Pakistan Journal of Medical Research, 60(2), 90-95. Retrieved from https://pjmr.org.pk/index.php/pjmr/article/view/105