Created at	Source	Raw Value	Validated value
May 20, 2022, 9 a.m.	usa	Changes in FEV₁ / FVC index.;Changes in Forced expiratory volume in the first second of expiration (FEV₁).;Changes in Forced vital capacity (FVC).	Changes in FEV₁ / FVC index.;Changes in Forced expiratory volume in the first second of expiration (FEV₁).;Changes in Forced vital capacity (FVC).