Name	Info	Provider	Link
	subscription/membership/fee required	HighWire	https://adc.bmj.com/lookup/pmidlookup?view=long&pmid=22362720
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=22362720.ui
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:22362720