3Tashkin Donald P,Celli Bartolome,Senn Stephen,Burkhart Deborah,Kesten Steven,Menjoge Shailendra,Decramer Marc.A 4-year trial of tiotropium in chronic obstructive pulmonary disease. The New England Quarterly . 2008
4Graeme P. Currie,Catherine Rossiter,Sean A. Miles,Daniel K.C. Lee,Owen J. Dempsey.Effects of tiotropium and other long acting bronchodilators in chronic obstructive pulmonary disease[J]. Pulmonary Pharmacology & Therapeutics . 2005 (2)
5Jenkins C R.Tiotropium and the risk of death in COPD. The New England Journal of Medicine . 2014
6Koblizek V.The position of tiotropium in new treatment guidelines for chronic obstructive pulmonary disease. Vnitrni Lekarstvi . 2013