1. Low-concentration Oxygen Therapy Via a Demand Oxygen Delivery System
Brian L. Tiep, M.D., M. Brooke Nicotra, M.D., F.C.C.P., Rick Carter, M.D., Robert Phillips, Ben Otsap, M.S. 
CHEST 
Volume 87, Issue 5, Pages (May 1985)
DOI: /chest
Copyright © 1985 The American College of Chest Physicians Terms and Conditions

2. FIGURE 1 The demand oxygen delivery system.
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Copyright © 1985 The American College of Chest Physicians Terms and Conditions

3. FIGURE 2
Mean minute volume of SF and DODS required to match O2 saturations achieved by the DODS at delivery intervals of every 3rd, 2nd, and 1st breath.
CHEST  , DOI: ( /chest )
Copyright © 1985 The American College of Chest Physicians Terms and Conditions

4. FIGURE 3
Mean SaO2 for SF at 1-4 L/min and DODS at every 3rd, 2nd, and 1st breath interval.
CHEST  , DOI: ( /chest )
Copyright © 1985 The American College of Chest Physicians Terms and Conditions