Name	Info	Provider	Link
Air Pollution	free resource	MedlinePlus Health Information	https://medlineplus.gov/airpollution.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/27377873/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/27377873
	subscription/membership/fee required	Wiley	https://onlinelibrary.wiley.com/doi/10.1111/biom.12557
	free resource	scite Smart Citations	https://scite.ai/reports/27377873
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/biometrics/article-lookup/doi/10.1111/biom.12557