Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.annualreviews.org/content/journals/10.1146/annurev-pharmtox-042921-084202?crawler=true&mimetype=application/pdf
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/34555289/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/34555289