Effect of Vitamin D3 Supplementation on Severe Asthma Exacerbations in Children With Asthma and Low Vitamin D Levels: The VDKA Randomized Clinical Trial.
JAMA. 2020 Aug 25;324(8):752-760. doi: 10.1001/jama.2020.12384.
JAMA. 2020.
PMID: 32840597
Free PMC article.
Clinical Trial.