Name	Info	Provider	Link
	subscription/membership/fee required	Wiley	https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0022-3042&date=1992&volume=58&issue=3&spage=916
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-GST+Mu1-6
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-1496