Original Research

Does roflumilast decrease exacerbations in severe COPD patients not controlled by inhaled combination therapy? the REACT study protocol

Calverley PM, Martinez FJ, Fabbri LM, Goehring UM, Rabe KF

International Journal of Chronic Obstructive Pulmonary Disease 2012, 7:375-382

Published Date: 20 June 2012