Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=15484331.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:15484331
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/clinchem/article-lookup/doi/10.1373/clinchem.2004.037333