Letters to the Editor: PDF OnlyPositive-Pressure Breathing vs. Incentive Spirometry To the EditorMoorthy, S. S. MD; LoSasso, Alvin M. MD; Vix, Vernon MD Author Information Indiana University School of Medicine, Indianapolis, IN Critical Care Medicine: May 1985 - Volume 13 - Issue 5 - p 448 Buy © Williams & Wilkins 1985. All Rights Reserved.
