Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=23843298.ui
Cited by Patents in	free resource	The Lens - Patent Citations Database	https://www.lens.org/lens/search/patent/list?q=reference_cited.nlp.ids.pmid:23843298
	free resource	scite Smart Citations	https://scite.ai/reports/23843298
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/stmcls/article-lookup/doi/10.1002/stem.1465