Name	Info	Provider	Link
	free resource	BioMed Central	https://bmcpublichealth.biomedcentral.com/articles/10.1186/s12889-018-5602-7
Secondhand Smoke	free resource	MedlinePlus Health Information	https://medlineplus.gov/secondhandsmoke.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/29902978/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/29902978
	free resource	scite Smart Citations	https://scite.ai/reports/29902978