Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=29298366.ui
	free resource	scite Smart Citations	https://scite.ai/reports/29298366
	subscription/membership/fee required	Southern Medical Association	http://dx.doi.org/10.14423/SMJ.0000000000000751