Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=&volume=128&issue=3&spage=587&aulast=Tian
Chronic Pain	free resource	MedlinePlus Health Information	https://medlineplus.gov/chronicpain.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=29120944.ui
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:29120944
	free resource	scite Smart Citations	https://scite.ai/reports/29120944
	free resource	Silverchair Information Systems	https://pubs.asahq.org/anesthesiology/article-lookup/doi/10.1097/ALN.0000000000001977