1. Acute Upper Airway Obstruction
Manoon Lee, M.D., Herbert W. Berger, M.D., F.C.C.P., Margarito G. Granada, M.D., F.C.C.P. 
CHEST 
Volume 77, Issue 3, Pages (March 1980)
DOI: /chest
Copyright © 1980 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Lateral soft tissue x-ray film of the neck taken on admission showing the site of upper airway obstruction and swelling of the base of the tongue and epiglottis (arrow).
CHEST  , DOI: ( /chest )
Copyright © 1980 The American College of Chest Physicians Terms and Conditions