Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=22259038.ui
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22259038/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/22259038
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:22259038
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/nar/article-lookup/doi/10.1093/nar/gkr1321
	free resource	Spiral, Imperial College Digital Repository	http://hdl.handle.net/10044/1/15559