Figure 1
The effect of smoking and 14 days smoking cessation on FEV1/FVC: Forced expiratory volume in one second/forced vital capacity; data are mean ± SD; *: significantly different from Non-smokers at p < 0.05.
Figure 1 | Scientific Reports
The effect of smoking and 14 days smoking cessation on FEV1/FVC: Forced expiratory volume in one second/forced vital capacity; data are mean ± SD; *: significantly different from Non-smokers at p < 0.05.
