Bhurayanontachai, R. . “Mechanical Ventilator Support and Prone Positioning in COVID-19 Related Pneumonia: Mechanical Ventilator Support in COVID-19”. Clinical Critical Care, vol. 29, Sept. 2021, p. 2021:e0004, https://he02.tci-thaijo.org/index.php/ccc/article/view/251359.