农村中老年吸烟居民慢性阻塞性肺疾病发病危险因素分析
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1005-5916|volume|7|872-874
ISSN: 1005-5916
Source: 中国农村卫生事业管理, Vol.volume, Iss.7, 2015-01, pp. : 872-874
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Abstract