Abstract
“Tiotropium and olodaterol fixed-dose combination versus mono-components in COPD (GOLD 2–4).” Roland Buhl, François Maltais, Roger Abrahams, Leif Bjermer, Eric Derom, Gary Ferguson, Matjaž Fležar, Jacques Hébert, Lorcan McGarvey, Emilio Pizzichini, Jim Reid, Antony Veale, Lars Grönke, Alan Hamilton, Lawrence Korducki, Kay Tetzlaff, Stella Waitere-Wijker, Henrik Watz and Eric Bateman. Eur Respir J 2015; 45: 969–979.