Name	Info	Provider	Link
Secondhand Smoke	free resource	MedlinePlus Health Information	https://medlineplus.gov/secondhandsmoke.html
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=20649596.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/20649596/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/20649596
	free resource	Wiley	https://doi.org/10.1111/j.1476-5381.2010.00857.x