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  Indian J Med Microbiol
 

Figure 2 Correlation of a forced expiratory volume in 1 s after bronchodilator therapy with airway external diameter assessed in HRCT among patients with asthma–chronic obstructive pulmonary disease overlap.

Figure 2 Correlation of a forced expiratory volume in 1 s after bronchodilator therapy with airway external diameter assessed in HRCT among patients with asthma–chronic obstructive pulmonary disease overlap.