Name	Info	Provider	Link
Vitamin D	free resource	MedlinePlus Health Information	https://medlineplus.gov/vitamind.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=25818207.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/25818207/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/25818207
	free resource	Wiley	https://onlinelibrary.wiley.com/doi/10.1111/jvim.12546
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CRP-1
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-1478
	free resource	scite Smart Citations	https://scite.ai/reports/25818207