Fixed: Air Drop Marker should show more consistently.
固定：空气下降标志应显示更一致。
2
Conclusion IOS determine respiration impedance is a sensitive marker of judgement air velocity obstruction, it can replace FEV1 judge the degree of COPD patients airway obstruction.
"We found a link between post-menopausal breast cancer and exposure to nitrogen dioxide, which is a marker for traffic-related air pollution, " said co-author Mark Goldberg in a press release.