1. A Single Nasal Prong for Continuous Oxygen Therapy
Thomas L. Petty, M.D., F.C.C.P., Louise M. Nett, R.N., A.R.I.T., S. Lakshminarayan, M.R.C.P. 
CHEST 
Volume 64, Issue 1, Pages (July 1973)
DOI: /chest
Copyright © 1973 The American College of Chest Physicians Terms and Conditions

2. Figure 1 CHEST 1973 64, 146-147DOI: (10.1378/chest.64.1.146)
Copyright © 1973 The American College of Chest Physicians Terms and Conditions

3. Figure 2 CHEST 1973 64, 146-147DOI: (10.1378/chest.64.1.146)
Copyright © 1973 The American College of Chest Physicians Terms and Conditions