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Figure 2 | Respiratory Research

Figure 2

From: Understanding the contribution of native tracheobronchial structure to lung function: CT assessment of airway morphology in never smokers

Figure 2

Plot of forced expiratory volume in 1 second (FEV 1 ) as a function of the projected branching generation number. The figures shows the plot of forced expiratory volume in 1 second (FEV1) to the projected branching generation number to reach <2 mm-lumen-diameter airways. Panels show the plots with the current study (Panel A), Weibel [20] (B), Mauroy [21] (C), and Montaudon’s [23] (D) lumen area ratios.

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Respiratory Research

ISSN: 1465-993X

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