Original Research

Comparative efficacy of long-acting β2-agonists as monotherapy for chronic obstructive pulmonary disease: a network meta-analysis

Donohue JF, Betts KA, Du EX, Altman P, Goyal P, Keininger DL, Gruenberger JB, Signorovitch JE

International Journal of Chronic Obstructive Pulmonary Disease 2017, 12:367-381

Published Date: 19 January 2017