Name	Info	Provider	Link
Quitting Smoking	free resource	MedlinePlus Health Information	https://medlineplus.gov/quittingsmoking.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/28031378/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/28031378
	free resource	scite Smart Citations	https://scite.ai/reports/28031378
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/ntr/article-lookup/doi/10.1093/ntr/ntw389