Bhurayanontachai, Rungsun. “Mechanical Ventilator Support and Prone Positioning in COVID-19 Related Pneumonia: Mechanical Ventilator Support in COVID-19”. Clinical Critical Care 29 (September 16, 2021): 2021:e0004. Accessed April 20, 2024. https://he02.tci-thaijo.org/index.php/ccc/article/view/251359.