Vitamin D supplementation to prevent acute respiratory infections: a systematic review and meta-analysis of aggregate data from randomised controlled trials.
Lancet Diabetes Endocrinol. 2021 May;9(5):276-292. doi: 10.1016/S2213-8587(21)00051-6. Epub 2021 Mar 30.
Lancet Diabetes Endocrinol. 2021.
PMID: 33798465