7Rics AL.Pulmonary rehabilitation: summary of an evidence-based guide line[J].Rcspir Carc,2008,53(9):1203-1207.
8Ch~mg XS,Li JZ,Zhang ZX,et al.Analysis of basic data of the study on prevention and treatment of COPD and chronic corpulmonale [J].Chin J Tub ere Respir Dis, 1998,21(12):749-752.
9Nici L,Donner C,Wouters E,et al.American Thoracic Society/ European Respiratory Society Statement on pulmonary rehabili- tation[J].Am J Respir Crit Care Med,2006,173(12): 1390-1413.
10Redelmere DA,Bayoumi AM,Goldstein RS,et al.Interpreting small differences in functional status:The six minute walk test in chronic lung disease patients[J].AM J Respir Crit Care Med,1997,155(4): 1278-1282.
