Name	Info	Provider	Link
	subscription/membership/fee required	Project MUSE	https://muse.jhu.edu/cgi-bin/resolve_openurl.cgi?issn=1557-0541&volume=8&issue=2&spage=157&aulast=Díaz-Toro
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/25152097/
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-PGR-2
	free resource	scite Smart Citations	https://scite.ai/reports/25152097