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Original Research
Sex differences of COPD phenotypes in nonsmoking patients
Yoonki Hong1 Department of Internal Medicine, Environmental Health Center, Kangwon National University Hospital, Chuncheon, South Korea
, Wonjun Ji2 Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
, Soojeong An3 Department of Statistics, Kangwon National University, Chuncheon, South Korea
, Seon-Sook Han1 Department of Internal Medicine, Environmental Health Center, Kangwon National University Hospital, Chuncheon, South Korea
, Seung-Joon Lee1 Department of Internal Medicine, Environmental Health Center, Kangwon National University Hospital, Chuncheon, South Korea
& Woo Jin Kim1 Department of Internal Medicine, Environmental Health Center, Kangwon National University Hospital, Chuncheon, South KoreaCorrespondence[email protected]
Pages 1657-1662
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Published online: 22 Jul 2016
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