van Boven Job F M, Lavorini Federico, Dekhuijzen P N Richard, Blasi Francesco, Price David B, Viegi Giovanni
Dept of General Practice, Groningen Research Institute for Asthma and COPD (GRIAC), University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
Dept of Clinical Pharmacy & Pharmacology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
Eur Respir J. 2017 May 19;49(5). doi: 10.1183/13993003.00076-2017. Print 2017 May.