Name	Info	Provider	Link
	free resource	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0376-8716(20)30606-2
E-Cigarettes	free resource	MedlinePlus Health Information	https://medlineplus.gov/ecigarettes.html
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S0376-8716(20)30606-2