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                                    Exercise and Quality-of-Life Outcomes of Two Versus Three Weekly Sessions of Pulmonary Rehabilitation  
                                
                                
                                Guanhua  Li MD,Mary  Roberts MN, DipAppSc, BHlthScN,John  Wheatley PhD, MB, BS,Winnie  Leung MPhty, BSc, GradCertHSc,Elise  Harding BPhty,Abby  Liu BAppSc,Christiane  Boehm BNurs,Christine  Sausa BNurs,Jin-Gun  Cho PhD, MMed, MB, BS