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Chen R, Guan L, Wu W, Yang Z, Li X, Luo Q, Liang Z, Wang F, Guo B, Huo Y, Yang Y, Zhou L.Chen R, et al. Among authors: yang y, yang z.BMJ Open. 2017 Aug 28;7(8):e017712. doi: 10.1136/bmjopen-2017-017712.BMJ Open. 2017.PMID: 28851800Free PMC article.Clinical Trial.
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Li M, Wang F, Chen R, Liang Z, Zhou Y, Yang Y, Chen S, Ung COL, Hu H.Li M, et al. Among authors: yang y.Int J Chron Obstruct Pulmon Dis. 2018 Oct 12;13:3349-3357. doi: 10.2147/COPD.S175143. eCollection 2018.Int J Chron Obstruct Pulmon Dis. 2018.PMID: 30349238Free PMC article.