Presen situation of the research in COPD
Zhang Zhonglu
Xu Lixin
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Publication Date:2006-01-01
Pages:4( 1384-1387 )
CHINESE JOURNAL OF PRACTICAL INTERNAL MEDICINE

CHINESE JOURNAL OF PRACTICAL INTERNAL MEDICINE

PKUISTIC
ISSN:1005-2194
Year, Vol.(Issue):2006,26(18)