Inhaled corticosteroids in COPD: friend or foe?
Alvar Agusti, Leonardo M. Fabbri, Dave Singh, Jørgen Vestbo, Bartolome Celli, Frits M.E. Franssen, Klaus F. Rabe, Alberto Papi
European Respiratory Journal 2018 52: 1801219; DOI: 10.1183/13993003.01219-2018