The Relationship Between Morning Symptoms and the Risk of Future Exacerbations in COPD.
Sun T, Li X, Cheng W, Peng Y, Zhao Y, Liu C, Zeng Y, Chen Y, Cai S, Chen P.
Sun T, et al. Among authors: chen p, chen y.
Int J Chron Obstruct Pulmon Dis. 2020 Aug 5;15:1899-1907. doi: 10.2147/COPD.S255030. eCollection 2020.
Int J Chron Obstruct Pulmon Dis. 2020.
PMID: 32848378
Free PMC article.