Name	Info	Provider	Link
	free resource	Wiley	https://onlinelibrary.wiley.com/doi/10.1002/(SICI)1097-0320(19960915)26:3<231::AID-CYTO9>3.0.CO;2-H
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD4-1
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/non-CPTAC-3867