[文献资料]参 考 文 献

1 .徐永健，谢俊刚.国内外COPD流行病学进展.继续医学教育，2007，14-.Surgical treatment of pulmonary emphysema .A randomized trial comparing lung-volume-reduction surgery with medical therapy for severe emphysema .Prolongation of patency of airway bypass stents with use of drug-elut ......