Physiological effects and subjective tolerability of prone positioning in COVID-19 and healthy hypoxic challenge oleh Akhilesh Jha, Fangyue Chen, Sam Mann, Ravi Shah, Randa Abu-Youssef, Holly Pavey, Helen Lin-Jia-Qi, Josh Cara, Daniel Cunningham, Kate Fitzpatrick, Celine Goh, Renee Ma, Souradip Mookerjee, Vaitehi Nageshwaran, Timothy Old, Catherine Oxley, Louise Jordon, Mayurun Selvan, Anna Wood, Andrew Ying, Chen Zhang, Dariusz Wozniak, Iain Goodhart, Frances Early, Marie Fisk, Jonathan Fuld