Name	Info	Provider	Link
Anesthesia	free resource	MedlinePlus Health Information	https://medlineplus.gov/anesthesia.html
	free resource	Nature Publishing Group	https://doi.org/10.1038/s41598-019-42991-4
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31048708/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31048708