PT - JOURNAL ARTICLE AU - Singh, Dave AU - Fabbri, Leonardo M. AU - Corradi, Massimo AU - Georges, George AU - Guasconi, Alessandro AU - Vezzoli, Stefano AU - Petruzzelli, Stefano AU - Papi, Alberto TI - Extrafine triple therapy in patients with symptomatic COPD and history of one moderate exacerbation AID - 10.1183/13993003.00235-2019 DP - 2019 May 01 TA - European Respiratory Journal PG - 1900235 VI - 53 IP - 5 4099 - http://erj.ersjournals.com/content/53/5/1900235.short 4100 - http://erj.ersjournals.com/content/53/5/1900235.full SO - Eur Respir J2019 May 01; 53