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ORIGINAL RESEARCH

Letter To The Editor

, &
Pages 443-444 | Published online: 20 Dec 2010

REFERENCES

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  • O'Donnell DE, Fluge T, Gerken F, Hamilton A, Webb K, Aguilaniu B, Make B, Magnussen H. Effects of tiotropium on lung hyperinflation, dyspnoea and exercise tolerance in copd. Euro Respir J 2004; 23:832–840.
  • Maltais F, Hamilton A, Marciniuck D, Hernandez P, Sciurba F, Richter K, Kesten S, O'Donnell DE. Improvements in symptom-limited exercise performance over eight hours with once-daily tiotropium in patients with COPD. Chest 2005; 128:1168–1178.

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