Effect of Long-term Vitamin D3 Supplementation vs Placebo on Risk of Depression or Clinically Relevant Depressive Symptoms and on Change in Mood Scores: A Randomized Clinical Trial.
JAMA. 2020 Aug 4;324(5):471-480. doi: 10.1001/jama.2020.10224.
JAMA. 2020.
PMID: 32749491
Free PMC article.
Clinical Trial.