Name	Info	Provider	Link
	free resource	J-STAGE, Japan Science and Technology Information Aggregator, Electronic	https://dx.doi.org/10.1248/bpb.b15-00443
Air Pollution	free resource	MedlinePlus Health Information	https://medlineplus.gov/airpollution.html
	subscription/membership/fee required	Medical Online, Meteo Inc	https://www.medicalonline.jp/meteo_linkout.php?issn=0918-6158&volume=38&issue=9&spage=1395