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. 2020 Jul 31:hcaa234. doi: 10.1093/qjmed/hcaa234

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© The Author(s) 2020. Published by Oxford University Press on behalf of the Association of Physicians. All rights reserved. For permissions, please email: journals.permissions@oup.com

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Figure 3. — Impact of vitamin D supplementation on the risk of acute respiratory infections (meta-analysis data from Martineau et al., 57) (suppl = supplementation).