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An evaluation of the relationship between vitamin d status and quadriceps strength in patients with copd: a cross sectional study
Citation
An evaluation of the relationship between vitamin d status and quadriceps strength in patients with copd: a cross sectional study
Publication history
- First published January 20, 2011.
Online issue publication
November 05, 2019
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Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions