Name	Info	Provider	Link
	subscription/membership/fee required	Ingenta plc	https://www.ingentaconnect.com/openurl?genre=article&issn=1792-1074&volume=20&issue=6&spage=332&aulast=Lombardo
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/33123243/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/33123243
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-CD47-4
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-1199