Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S1807-5932(22)00308-8
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/32215455/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/32215455