Name	Info	Provider	Link
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/non-CPTAC-2677
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:2167301
	subscription/membership/fee required	Silverchair Information Systems	https://iovs.arvojournals.org/article.aspx?volume=31&issue=8&page=1637