1. Tracheobronchomalacia and Noninvasive Ventilation Revisited
Ahmet Baydur, MD, FCCP, Gary Kanel, MD, Michael Koss, MD 
CHEST 
Volume 126, Issue 4, Pages (October 2004)
DOI: /chest a
Copyright © 2004 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Microscopic section of lung of patient 2 showing dilated bronchus and atrophic cartilage (center of photomicrograph).2 Focal areas of inflammation surround the airway (hematoxylin-eosin, original × 100).
CHEST  , DOI: ( /chest a)
Copyright © 2004 The American College of Chest Physicians Terms and Conditions