RT Journal Article SR Electronic T1 Use of tiotropium Respimat versus HandiHaler and mortality in patients with COPD JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1818 OP 1819 DO 10.1183/09031936.00036314 VO 43 IS 6 A1 Katia M.C. Verhamme A1 Miriam C.J.M. Sturkenboom A1 Guy G.O. Brusselle YR 2014 UL http://erj.ersjournals.com/content/43/6/1818.abstract AB