RT Journal Article SR Electronic T1 Impact of COVID-19 shielding on physical activity and quality of life in patients with COPD JF Breathe JO Breathe FD European Respiratory Society SP 200231 DO 10.1183/20734735.0231-2020 VO 16 IS 3 A1 Emily Hume A1 Matthew Armstrong A1 James Manifield A1 Laura McNeillie A1 Francesca Chambers A1 Lynsey Wakenshaw A1 Graham Burns A1 Karen Heslop Marshall A1 Ioannis Vogiatzis YR 2020 UL http://breathe.ersjournals.com/content/16/3/200231.abstract AB