1. Volume 105, Issue 5, Pages 1420-1425 (May 1994)
Regional Mucus Transport Following Unproductive Cough and Forced Expiration Technique in Patients With Airways Obstruction 
Amir Hasani, M.Sc., Demetri Pavia, Ph.D., John E. Agnew, Ph.D., Stewart W. Clarke, M.D. 
CHEST 
Volume 105, Issue 5, Pages (May 1994)
DOI: /chest
Copyright © 1994 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Definition of four regions relative to contours (15 percent and 30 percent) of 81mKr ventilation image.
CHEST  , DOI: ( /chest )
Copyright © 1994 The American College of Chest Physicians Terms and Conditions

3. Figure 2
Mean±SEM initial tracheobronchial deposition of the radioaerosol within the four regions of the lungs for the three study days.
CHEST  , DOI: ( /chest )
Copyright © 1994 The American College of Chest Physicians Terms and Conditions

4. Figure 3
Mean±SEM tracheobronchial clearance of the radioaerosol from the four regions of the lungs during the three maneuvers.
CHEST  , DOI: ( /chest )
Copyright © 1994 The American College of Chest Physicians Terms and Conditions