Name	Info	Provider	Link
Smokeless Tobacco	free resource	MedlinePlus Health Information	https://medlineplus.gov/smokelesstobacco.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22585541/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/22585541
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:22585541
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/ntr/article-lookup/doi/10.1093/ntr/nts123