1. Volume 100, Issue 6, Pages 1743-1744 (December 1991)
Development of an Air-Fluid Level after Bronchoalveolar Lavage in Fibrocystic Lung Disease 
Petre C. Hill, M.D., Monte A. Herman, M.D., F.C.C.P., Prashant Kumar Rohatgi, M.D. 
CHEST 
Volume 100, Issue 6, Pages (December 1991)
DOI: /chest b
Copyright © 1991 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Chest radiograph obtained after BAL shows air-fluid level in the cystic space on the left.
CHEST  , DOI: ( /chest b)
Copyright © 1991 The American College of Chest Physicians Terms and Conditions