@article {McCoy324, author = {Robert W McCoy and Brian W Carlin}, title = {Product Performance Variability With Home Portable Oxygen Systems May Impact Patient Performance Outcomes: It May Be the Device, Not the Disease}, volume = {54}, number = {3}, pages = {324--326}, year = {2009}, publisher = {Respiratory Care}, issn = {0020-1324}, URL = {https://rc.rcjournal.com/content/54/3/324}, eprint = {https://rc.rcjournal.com/content/54/3/324.full.pdf}, journal = {Respiratory Care} }