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Clinical trials have consistently shown that these physiological effects translate into improvements in:
- lung function
- exercise tolerance
- health related quality of life
- fewer exacerbations
References:
References:
Tiotropium and chronic obstructive pulmonary disease. BMJ, 2010.
http://www.bmj.com/cgi/content/short/340/feb19_1/c833
http://www.bmj.com/cgi/content/short/340/feb19_1/c833
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