Vitamin D status: a U-shaped relationship for SARS-CoV-2 seropositivity in UK healthcare workers.
BMJ Open Respir Res. 2022 Sep;9(1):e001258. doi: 10.1136/bmjresp-2022-001258.
BMJ Open Respir Res. 2022.
PMID: 36167472
Free PMC article.