Name	Info	Provider	Link
Vitamin D	free resource	MedlinePlus Health Information	https://medlineplus.gov/vitamind.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32911988/
	subscription/membership/fee required	Taylor & Francis	https://www.tandfonline.com/doi/full/10.1080/01635581.2020.1819348
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/32911988