Name	Info	Provider	Link
E-Cigarettes	free resource	MedlinePlus Health Information	https://medlineplus.gov/ecigarettes.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=36863057.ui
	subscription/membership/fee required	Southern Medical Association	http://dx.doi.org/10.14423/SMJ.0000000000001529