Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0306-4522(15)00153-0
Pain	free resource	MedlinePlus Health Information	https://medlineplus.gov/pain.html
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S0306-4522(15)00153-0
NBRP resources	free resource	National BioResource Project	https://rrc.nbrp.jp/references/list?pubmed=25686524
Cited by Patents in	free resource	The Lens - Patent Citations Database	https://www.lens.org/lens/search/patent/list?q=reference_cited.nlp.ids.pmid:25686524