Name	Info	Provider	Link
	free resource	J-STAGE, Japan Science and Technology Information Aggregator, Electronic	https://dx.doi.org/10.7888/juoeh.37.263
	subscription/membership/fee required	Medical Online, Meteo Inc	https://www.medicalonline.jp/meteo_linkout.php?issn=0387-821X&volume=37&issue=4&spage=263