Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=1533-4880&volume=19&issue=1&spage=81&aulast=Zhang
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-1548