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General medicine
Tiotropium could provide benefits in the early stage of COPD, but further studies are needed

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  • Contributors Both MC and PR shared the opinion reported on the commentary.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests The authors have been members of Boehringer Ingelheim Speaker Bureau. The Unit of Respiratory Medicine at the Department of Experimental Medicine and Surgery of the University of Rome Tor Vergata, has received funding for research from Boehringer Ingelheim.

  • Patient consent Not required.

  • Provenance and peer review Commissioned; internally peer reviewed.