Evaluating blood eosinophils and exacerbation history to predict ICS response in COPD - Calverley, PMA; Tetzlaff, K; Vogelmeier, C; Fabbri, LM; Magnussen, H; Wouters, EFM; Disse, B; Finnigan, H; Asijee, GM; Watz, H (Pneumologie, 2017)