00382nas a2200145   4500000000100000000000100001008004100002653002200043100001700065700001500082700001300097245009700110250001500207020001400222       2023                            d10aCOPD epidemiology1 aH. Whittaker1 aK. Rothnie1 aJ. Quint00aCause-specific mortality in COPD subpopulations: a cohort study of 339 647 people in England  a2023/06/17  a0040-6376