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Physical Activity and Symptom Burden in COPD: The Canadian Obstructive Lung Disease Study.
Oostrik L, Bourbeau J, Doiron D, Ross B, Zhi-Li P, Aaron SD, Chapman KR, Hernandez P, Maltais F, Marciniuk DD, O'Donnell D, Tan WC, Sin DD, Walker B, Janaudis-Ferreira T. Oostrik L, et al. Among authors: zhi li p. Chronic Obstr Pulm Dis. 2023 Jan 25;10(1):89-101. doi: 10.15326/jcopdf.2022.0349. Chronic Obstr Pulm Dis. 2023. PMID: 36563057 Free PMC article.