Name	Info	Provider	Link
E-Cigarettes	free resource	MedlinePlus Health Information	https://medlineplus.gov/ecigarettes.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/32441810/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/32441810
	subscription/membership/fee required	Wiley	https://doi.org/10.1002/14651858.CD013629
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-68