Original Research

Safety and efficacy of dual therapy with GSK233705 and salmeterol versus monotherapy with salmeterol, tiotropium, or placebo in a crossover pilot study in partially reversible COPD patients

Beier J, van Noord J, Deans A, Brooks J, Maden C, Baggen S, Mehta R, Cahn A

International Journal of Chronic Obstructive Pulmonary Disease 2012, 7:153-164

Published Date: 5 March 2012