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Fig. 4 | BMC Pulmonary Medicine

Fig. 4

From: Maximal inspiratory and expiratory flow at moderate altitude: a study of a Latin American population

Fig. 4

Regression lines (lowess) for A peak expiratory flow measured with the flowmeter, B spirometer and the C peak inspiratory flow measured by spirometry for women and men obtained in the present study and those already reported by several authors (stratifying by sex). PEFm, peak expiratory flow measured with a flowmeter; PEFs, peak expiratory flow measured with a spirometer; PIFs, peak inspiratory flow measured with a spirometer

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