Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S1055-7903(09)00510-7
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-AXL-2
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-1766
Full text from	free resource	CORE	https://core.ac.uk/reader/57876?utm_source=linkout