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[Epidemiologic analysis of COPD in Guangdong province].
Liu SM, Wang XP, Wang DL, Zhou YM, Lü JC, Zheng JP, Zhong NS, Ran PX. Liu SM, et al. Zhonghua Yi Xue Za Zhi. 2005 Mar 23;85(11):747-52. Zhonghua Yi Xue Za Zhi. 2005. PMID: 15949380 Chinese.
969 results