Name	Info	Provider	Link
Chronic Pain	free resource	MedlinePlus Health Information	https://medlineplus.gov/chronicpain.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/30109556/
	subscription/membership/fee required	Springer	https://doi.org/10.1007/s11064-018-2614-8
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/30109556
	free resource	scite Smart Citations	https://scite.ai/reports/30109556