Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/00006396-201102000-00021
Gene Ontology annotations from this paper	free resource	Gene Ontology	http://amigo.geneontology.org/amigo/reference/PMID:21238854
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=21238854.ui
	subscription/membership/fee required	Wolters Kluwer	https://doi.org/10.1016/j.pain.2010.10.038