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Effect of a pulmonary rehabilitation programme of 8 weeks compared to 12 weeks duration on exercise capacity in people with chronic obstructive pulmonary disease (PuRe Duration): protocol for a randomised controlled trial

Crossref DOI link: https://doi.org/10.1136/bmjresp-2020-000687

Published Online: 2020-09-15

Published Print: 2020-09

Update policy: https://doi.org/10.1136/crossmarkpolicy

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