Name	Info	Provider	Link
E-Cigarettes	free resource	MedlinePlus Health Information	https://medlineplus.gov/ecigarettes.html
	free resource	Nature Publishing Group	https://doi.org/10.1038/s41598-019-44983-w
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31217477/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/31217477
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/non-CPTAC-3321