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Risk factors for chronic obstructive pulmonary disease among never-smokers in Korea

Seok Jeong Lee1, Seo Woo Kim1, Kyoung Ae Kong2

  • 1Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, School of Medicine, Ewha Womans University, Seoul, Republic of Korea.

International Journal of Chronic Obstructive Pulmonary Disease
|March 19, 2015
PubMed
Abstract

Keywords:
chronic obstructive pulmonary diseasenever-smokersocioeconomic status

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