Created at	Source	Raw Value	Validated value
Oct. 26, 2020, 8:29 a.m.	oms	(1) Patients aged 18-80 years, (2) Clear diagnosis of patients with severe COVID-19, (3) Voluntarily join the trial and sign the informed consent.	(1) Patients aged 18-80 years, (2) Clear diagnosis of patients with severe COVID-19, (3) Voluntarily join the trial and sign the informed consent.