Name	Info	Provider	Link
	subscription/membership/fee required	Springer	https://www.springerlink.com/openurl.asp?genre=article&issn=0098-0331&volume=31&issue=2&spage=315
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-43
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:15856786