Original Research

Use of a 4-week up-titration regimen of roflumilast in patients with severe COPD

Watz H, Bagul N, Rabe KF, Rennard S, Alagappan VKT, Román J, Facius A, Calverley PMA

International Journal of Chronic Obstructive Pulmonary Disease 2018, 13:813-822

Published Date: 6 March 2018