RT Journal Article SR Electronic T1 Initial inhaler choice in COPD: real-world evidence JF Breathe JO Breathe FD European Respiratory Society SP 350 OP 352 DO 10.1183/20734735.0256-2019 VO 15 IS 4 A1 Thomas Jones YR 2019 UL http://breathe.ersjournals.com/content/15/4/350.abstract AB