Demographic and clinical characteristics of CMH-cases and -controls with ≥20 pack-years, present in the meta-analysis.
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资源简介：
CMH = Chronic mucus hypersecretion;*lung function is based on FEV1/IVC;**all individuals in this cohort have COPD;#based on lung function of 700 subjects who returned for follow-up study 4 years later.
创建时间：
2015-12-02
