Keywords: pfizer, bi, spiriva, reduces, copd, exacerbations, significantly

Pfizer and BI's Spiriva reduces COPD exacerbations significantly

Article | 13 September 2004

Spiriva (tiotropium), an inhaled anticholinergic drug with 24-hourefficacy from Boehringer Ingelheim and Pfizer, significantly reduced exacerbations and health resource utilization ...

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