Name	Info	Provider	Link
Vitamin D	free resource	MedlinePlus Health Information	https://medlineplus.gov/vitamind.html
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-290
Full text from	free resource	Institutional Repository of University of Modena and Reggio Emilia (IRIS UNIMORE)	https://iris.unimore.it/retrieve/handle/11380/1138722/151721/Rossini.pdf
	free resource	Pagepress Publications	https://doi.org/10.4081/reumatismo.2017.922
	free resource	scite Smart Citations	https://scite.ai/reports/28535619