Name	Info	Provider	Link
	free resource	MDPI	https://www.mdpi.com/resolver?pii=v13112223
Vitamin D Deficiency	free resource	MedlinePlus Health Information	https://medlineplus.gov/vitaminddeficiency.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/34835029/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34835029
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/non-CPTAC-1162