Name	Info	Provider	Link
Pain	free resource	MedlinePlus Health Information	https://medlineplus.gov/pain.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24577819/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/24577819
	free resource	University of Zagreb School of Medicine	http://www.cmj.hr/2014/55/1/24577819.htm
	free resource	scite Smart Citations	https://scite.ai/reports/24577819