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- 2019
An accurate prediction model to identify undiagnosed at-risk patients with COPD: a cross-sectional case-finding studyDOI: 10.1038/s41533-019-0135-9 Keywords: Chronic obstructive pulmonary disease, Respiratory signs and symptoms, Physical examination Abstract: Characteristics of the study subjects categorized by spirometry-confirmed COPD in the development cohor
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