Name	Info	Provider	Link
Secondhand Smoke	free resource	MedlinePlus Health Information	https://medlineplus.gov/secondhandsmoke.html
	subscription/membership/fee required	Nature Publishing Group	https://doi.org/10.1038/s41370-020-00286-1
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33424026/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33424026
	free resource	scite Smart Citations	https://scite.ai/reports/33424026