Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S1386-5056(17)30428-8
Smoking	free resource	MedlinePlus Health Information	https://medlineplus.gov/smoking.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29331251/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29331251
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S1386-5056(17)30428-8
	free resource	scite Smart Citations	https://scite.ai/reports/29331251