A Prospective Observational Study to Evaluate the Use of a Lightweight (<5 lbs) Pulse Wave Delivery Portable Oxygen Concentrator (POC) to Improve the Quality of Life and Outcomes of Patients Who Are Diagnosed With Chronic Obstructive Pulmonary Disease (COPD) and Require Long-term Oxygen Therapy (LTOT)
1996 ◽
Vol 9
(11)
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pp. 2335-2339
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2013 ◽
Vol 21
(4)
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pp. 860-867
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1999 ◽
Vol 93
(1)
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pp. 46-51
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2019 ◽
Vol Volume 14
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pp. 2815-2823
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2018 ◽
Vol 16
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pp. 147997231876772
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1995 ◽
Vol 89
(7)
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pp. 471-476
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2018 ◽