Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=266&issue=6&spage=e67&aulast=Bookless
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=29136980.ui
	free resource	scite Smart Citations	https://scite.ai/reports/29136980
	subscription/membership/fee required	Wolters Kluwer	https://doi.org/10.1097/SLA.0000000000001515