Percentage of predicted value of FEV6 (FEV6%) and FEV1/FEV6 also had an increasing trend with the increase of distance, but the regression analysis showed no statistical significance [Figure 1b and 1c ].
← all excerpts
Living near a Major Road in Beijing: Association with Lower Lung Function, Airway Acidification, and Chronic Cough.
1
—
—