Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=9815494.ui
	free resource	Wiley	https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=&date=1997&volume=4&issue=3&spage=114
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:9815494
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/jtm/article-lookup/doi/10.1111/j.1708-8305.1997.tb00796.x