Lung function changes over time following withdrawal of inhaled corticosteroids in patients with severe COPD
Helgo Magnussen, Kay Tetzlaff, Eric D. Bateman, Henrik Watz, Anne M. Kirsten, Emiel F.M. Wouters, Bernd Disse, Helen Finnigan, Roberto Rodriguez-Roisin, Peter M.A. Calverley
European Respiratory Journal 2016 47: 651-654; DOI: 10.1183/13993003.01644-2015