RT Journal Article SR Electronic T1 Impact of the UK lockdown on people at risk of COPD JF ERJ Open Research JO erjor FD European Respiratory Society SP 00358-2021 DO 10.1183/23120541.00358-2021 VO 7 IS 4 A1 Donaldson, Gavin C. A1 Ritchie, Andrew I. A1 Calverley, Peter M.A. A1 Vestbo, Jorgen A1 Fageras, Malin A1 de la Hoz, Alberto A1 Bucchioni, Enrica A1 Compton, Chris H. A1 Mezzi, Karen A1 Wedzicha, Jadwiga A. A1 YR 2021 UL https://publications.ersnet.org//content/7/4/00358-2021.abstract AB