Zhang, Sheng, Yingxin Lin, Yanyan Li, Weixing Zhang, Qing Feng, and Hua Luo. “How Did We Protect Ourselves During Intubation for a COVID-19 Patient in the Context of PPE Shortage?”. The Journal of Infection in Developing Countries 15, no. 12 (December 31, 2021): 1808–1812. Accessed April 18, 2024. https://www.jidc.org/index.php/journal/article/view/35044936.