Name	Info	Provider	Link
	free resource	BioMed Central	https://bmchealthservres.biomedcentral.com/articles/10.1186/1472-6963-3-14
Complementary and Integrative Medicine	free resource	MedlinePlus Health Information	https://medlineplus.gov/complementaryandintegrativemedicine.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/12873351/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/12873351