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  3. Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis of individual participant data
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Research

Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis of individual participant data

BMJ 2017; 356 doi: https://doi.org/10.1136/bmj.i6583 (Published 15 February 2017) Cite this as: BMJ 2017;356:i6583
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