Is Pectus Excavatum a Risk Factor for Spontaneous Pneumothorax? “Haller Index Measurements in Patients with Primary Spontaneous Pneumothorax”

<div>(a) Group I graph of the Haller index in patients with spontaneous pneumothorax. (b) Group II graph of the Haller index in the control group.</div>

Canadian Respiratory Journal

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Figure 2

Figure 2: Is Pectus Excavatum a Risk Factor for Spontaneous Pneumothorax? “Haller Index Measurements in Patients with Primary Spontaneous Pneumothorax” 

Figure 2 | Is Pectus Excavatum a Risk Factor for Spontaneous Pneumothorax? “Haller Index Measurements in Patients with Primary Spontaneous Pneumothorax” 