DOI:
10.1055/s-00000014
Erfahrungsheilkunde
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References
Martineau AR, Jolliffe DA, Hooper RL. et al.
Vitamin D supplementation to prevent acute respiratory tract infections: systematic review and meta-analysis of individual participant data.
BMJ (Clinical research ed.) 2017;
356: i6583 DOI: 10.1136/bmj.i6583
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