RT Journal Article SR Electronic T1 The European COPD Audit: brothers in arms JF Breathe JO breathe FD European Respiratory Society SP 267 OP 270 DO 10.1183/20734735.012812 VO 8 IS 4 A1 C. Michael Roberts A1 Jose Luis Lopez-Campos A1 Sylvia Hartl YR 2012 UL http://breathe.ersjournals.com/content/8/4/267.abstract AB