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Original Research
Validity of COPD diagnoses reported through nationwide health insurance systems in the People’s Republic of China
Om P Kurmi1 Clinical Trial Service Unit & Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UKCorrespondence[email protected]
, Julien Vaucher1 Clinical Trial Service Unit & Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
, Dan Xiao2 Tobacco Medicine and Tobacco Cessation Center, China–Japan Friendship Hospital, Beijing, People’s Republic of China
, Michael V Holmes1 Clinical Trial Service Unit & Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
, Yu Guo3 National Coordinating Centre for China Kadoorie Biobank Study, Chinese Academy of Medical Sciences, Beijing, People’s Republic of China
, Kourtney J Davis4 Worldwide Epidemiology, GlaxoSmithKline R&D, Collegeville, PA, USA
, Chen Wang5 National Clinical Research Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, People’s Republic of China
, Haiyan Qin6 Medical Research Center, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of China
, Iain Turnbull1 Clinical Trial Service Unit & Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
, Peng Peng7 Radiology Department, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, People’s Republic of China
, Zheng Bian3 National Coordinating Centre for China Kadoorie Biobank Study, Chinese Academy of Medical Sciences, Beijing, People’s Republic of China
, Robert Clarke1 Clinical Trial Service Unit & Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
, Liming Li8 Department of Epidemiology, School of Public Health, Peking University Health Science Center, Beijing, People’s Republic of China
, Yiping Chen1 Clinical Trial Service Unit & Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
& Zhengming Chen1 Clinical Trial Service Unit & Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
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Pages 419-430
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Published online: 01 Mar 2016
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