中国热带医学
北京朝阳区慢性阻塞性肺疾病的流行病学调查
陈乾华,窦志芳,潘娜,王立新,郑野
Survey of incidence of chronic obstructive disease in the northern area of Beijing.
中国热带医学 . 2010, (09): 1086 -1094 .