Emergency Medicine International / 2019 / Article / Fig 4

Research Article

Evaluating Stable Chronic Obstructive Pulmonary Disease by Ultrasound

Figure 4

Correlation between (a) Lung Sil R (mm) and FEV1 (%) in COPD patients and (b) Ant M-Mode R (mm) and FEV1 (%) in COPD Patients.

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