![Relationship between concavity of the flow-volume loop and small airway measures in smokers with normal spirometry | BMC Pulmonary Medicine | Full Text Relationship between concavity of the flow-volume loop and small airway measures in smokers with normal spirometry | BMC Pulmonary Medicine | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2Fs12890-022-01998-w/MediaObjects/12890_2022_1998_Fig1_HTML.png)
Relationship between concavity of the flow-volume loop and small airway measures in smokers with normal spirometry | BMC Pulmonary Medicine | Full Text
Determination of Flow-Volume loop Fig. 1, Fig. 2 Flow-Volume (F-V) loop is the most important curve in spirometry. A normal
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