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/37156636/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/37156636
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-68
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/ntr/article-lookup/doi/10.1093/ntr/ntad072