Name	Info	Provider	Link
Vitamin D Deficiency	free resource	MedlinePlus Health Information	https://medlineplus.gov/vitaminddeficiency.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=24792631.ui
	subscription/membership/fee required	Wiley	https://onlinelibrary.wiley.com/doi/10.1097/MPG.0000000000000296
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/24792631
	free resource	scite Smart Citations	https://scite.ai/reports/24792631
	subscription/membership/fee required	Wolters Kluwer	https://doi.org/10.1097/MPG.0000000000000296