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Chinese
Pre-COPD: a New Advance in COPD
BAI Yahu, GAO Shenghan, JI Siyu, SHANG Jinyu, DONG Yanchun, NING Kang
Chinese General Practice . 2023, (
03
): 268 -273 . DOI: 10.12114/j.issn.1007-9572.2022.0621
