Aclidinium bromide reduces COPD exacerbations as defined by healthcare utilisation and EXACT: Results from ATTAIN
Paul W. Jones, David Singh, Alvar Agusti, Eric D. Bateman, Rosa Lamarca, Gonzalo de Miquel, Cynthia Caracta, Esther Garcia Gil
European Respiratory Journal Sep 2012, 40 (Suppl 56) 195;