Name	Info	Provider	Link
Vitamin D Deficiency	free resource	MedlinePlus Health Information	https://medlineplus.gov/vitaminddeficiency.html
	subscription/membership/fee required	Springer	https://dx.doi.org/10.1007/s00431-013-2198-x
See the articles recommended by the Faculty of more than 8,000 leading experts in Biology and Medicine.	subscription/membership/fee required	H1 Connect	https://facultyopinions.com/pubmed/24257913
	free resource	scite Smart Citations	https://scite.ai/reports/24257913