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                                    Monitoring Daily Activity During Pulmonary Rehabilitation Using a Triaxial Accelerometer  
                                
                                
                                Bonnie G. Steele PhD, RN,Basia  Belza PhD, RN,Jim  Hunziker MN, ARNP,Lyn  Holt MS,Marcia  Legro PhD,Jeff  Coppersmith PT, MS,David  Buchner MD, MPH,Sambasiva  Lakshminaryan MD