Name	Info	Provider	Link
	subscription/membership/fee required	IOS Press	https://ebooks.iospress.nl/Extern/EnterMedLine.aspx?ISSN=0926-9630&Volume=202&SPage=60
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-PGR-2
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-290