Zhu, Z., Muhamad, A.S., Omar, N., Ooi, F.K., Pan, X. and Yin Ong, M.L. 2023. Prevalence and Risk Factors of COPD: A Scoping Review From 2011 to 2021. Malaysian Journal of Medicine and Health Sciences. 19, 5 (Sep. 2023), 345–358. DOI:https://doi.org/10.47836/mjmhs19.5.40.