RT Journal Article SR Electronic T1 Can we use a biomarker to guide antibiotic treatment in severe COPD exacerbations? JF Breathe JO Breathe FD European Respiratory Society SP 353 OP 355 DO 10.1183/20734735.0257-2019 VO 15 IS 4 A1 Victor A. Adepoju YR 2019 UL http://breathe.ersjournals.com/content/15/4/353.abstract AB