Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/00006396-201403000-00002
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=24012952.ui
	free resource	scite Smart Citations	https://scite.ai/reports/24012952
	subscription/membership/fee required	Wolters Kluwer	https://doi.org/10.1016/j.pain.2013.09.002