Case Reports in Vascular Medicine / 2013 / Article / Fig 2

Case Report

Typical Asthmatic Presentation of Congenital Vascular Ring Can Masquerade a General Physician

Figure 2

(a) Preoperative flow-volume loop demonstrating flattening of the inspiratory and expiratory segments (b) Flow-volume loop, after 8 weeks of surgery, showing slightly improved inspiratory and expiratory phases.

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