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 Gavin C. Donaldson A1 Andrew I. Ritchie A1 Peter M.A. Calverley A1 Jorgen Vestbo A1 Malin Fageras A1 Alberto de la Hoz A1 Enrica Bucchioni A1 Chris H. Compton A1 Karen Mezzi A1 Jadwiga A. Wedzicha A1 , YR 2021 UL http://openres.ersjournals.com/content/7/4/00358-2021.abstract AB