RT Journal Article SR Electronic T1 Peripheral eosinophil count as a biomarker for the management of COPD: not there yet JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1702165 DO 10.1183/13993003.02165-2017 VO 50 IS 5 A1 Klaus F. Rabe A1 Bianca Beghé A1 Leonardo M. Fabbri YR 2017 UL http://erj.ersjournals.com/content/50/5/1702165.abstract AB