Name	Info	Provider	Link
	free resource	J-STAGE, Japan Science and Technology Information Aggregator, Electronic	https://dx.doi.org/10.5650/jos.ess24106
Ozone	free resource	MedlinePlus Health Information	https://medlineplus.gov/ozone.html
	subscription/membership/fee required	Medical Online, Meteo Inc	https://www.medicalonline.jp/meteo_linkout.php?issn=1345-8957&volume=73&issue=9&spage=1241