Created at	Source	Raw Value	Validated value
June 25, 2024, noon	usa	* tocilizumab use. * mechanical ventilation * requirement of oxygen supplementation \>8l/min on admission	* tocilizumab use. * mechanical ventilation * requirement of oxygen supplementation \>8l/min on admission
Feb. 19, 2022, 5 p.m.	usa	tocilizumab use. mechanical ventilation requirement of oxygen supplementation >8l/min on admission	tocilizumab use. mechanical ventilation requirement of oxygen supplementation >8l/min on admission