COVID-19 Treatment mixed Hydrogen Oxygen Hydroxy Gas

Video shows content from 2020 removed by Youtube showing how China's Zhong Nanshan showed the world the amazing clinical results in trials in hospitals in China with COVID patients.
More information here:
https://www.frontiersin.org/articles/10.3389/fmed.2021.671215/full
https://www.worldscientific.com/worldscibooks/10.1142/11910
https://publishing.rcseng.ac.uk/doi/full/10.1308/rcsbull.2020.108