Effect of a Single High Dose of Vitamin D3 on Hospital Length of Stay in Patients With Moderate to Severe COVID-19: A Randomized Clinical Trial.
JAMA. 2021 Mar 16;325(11):1053-1060. doi: 10.1001/jama.2020.26848.
JAMA. 2021.
PMID: 33595634
Free PMC article.
Clinical Trial.