PT - JOURNAL ARTICLE AU - Robert W McCoy AU - Brian W Carlin TI - Product Performance Variability With Home Portable Oxygen Systems May Impact Patient Performance Outcomes: It May Be the Device, Not the Disease DP - 2009 Mar 01 TA - Respiratory Care PG - 324--326 VI - 54 IP - 3 4099 - http://rc.rcjournal.com/content/54/3/324.short 4100 - http://rc.rcjournal.com/content/54/3/324.full