8Nanshan Zhong,Chen Wang,Wanzhen Yao,et al. Prevalence of Chronic Obstructive Pulmonary Disease in China[J]. American Journal of Respiratory and Critical Care Medicine,2007,176:753-760. 被引量:1
9Mador M J, Rodis A, Magaing VJ. Reproducibility of berg scale measurement of dyspnoea during exercise in patients with COPD[J]. chest, 1995, 107:1590-1597. 被引量:1
10Soley MD, Shock NW. The etiology of effort syndrome[J]. Am J Med Sci, 1938,196:840. 被引量:1