Name	Info	Provider	Link
Folic Acid	free resource	MedlinePlus Health Information	https://medlineplus.gov/folicacid.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=22962226.ui
Full text from	free resource	Zurich Open Access Repository and Archive	https://doi.org/10.5167/uzh-69495
	subscription/membership/fee required	De Gruyter	https://www.degruyter.com/document/doi/10.1515/cclm-2012-0056