Tiotropium and olodaterol fixed-dose combination versus mono-components in COPD (GOLD 2-4).
1. Eur Respir J. 2015 Jan 8. pii: ERJ-01360-2014. [Epub ahead of print] Tiotropium and olodaterol fixed-dose combination versus mono-components in COPD (GOLD 2-4). Buhl R(1), Maltais F(2), Abrahams R(3), Bjermer L(4), Derom E(5), Ferguson G(6), Fležar M(7...