RT Journal Article SR Electronic T1 Listening to the unmet needs of Europeans with COPD JF Breathe JO breathe FD European Respiratory Society SP 350 OP 356 DO 10.1183/20734735.006613 VO 9 IS 5 A1 Pippa Powell A1 Otto Spranger A1 Sylvia Hartl A1 C. Michael Roberts A1 Monica Fletcher YR 2013 UL http://breathe.ersjournals.com/content/9/5/350.abstract AB