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=23446951.ui
	subscription/membership/fee required	Georg Thieme Verlag Stuttgart, New York	https://www.thieme-connect.com/DOI/DOI?10.1160/TH12-10-0728
	free resource	scite Smart Citations	https://scite.ai/reports/23446951