4Maltais F,LeBlanc P,Simard C,et al.Skeletal muscle adaptation to endurance training in patients with chronic obstructive pulmonary disease[J].Am J Respir Cdt Care Med,1996,154(2 Pt 1):442.
6Borg GA.Psychophysical bases of perceived exertion[J].Med Sci Sports Exerc,1982,14(5):377.
7Cooke GA,Marshall P,AI-Timman J K,et al.Physiological cardiac reserve:development of a non-invasive method and first estimates in man[J].Heart,1998,79(3):289.
8Anthonisen NR,Connett JE,Murray RP.Smoking and lung function of lung health study participants after 11 years[J].Am J Respir Crit Care Med,2002,166(5):675.
9Michaela B,Carter T,Duke K,et al.Home-based exercise is capable of preserving hospital-based improve ments in severe chronic obstructive pulmonary disease[J].Respiratory Medicine,2000,94(12):1184.
10Goldstein RS,Gort EH,Stubbing D,et al.Randomised control trial of pulmonary rehabilitation[J].Lancet,1994,344(8934):1394.
