Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=38113252.ui
	free resource	NCI CPTC Antibody Characterization Program	https://antibodies.cancer.gov/detail/CPTC-PTEN-1
	free resource	NCI CPTAC Assay Portal	https://assays.cancer.gov/CPTAC-802
	subscription/membership/fee required	Wolters Kluwer	https://doi.org/10.1097/ICB.0000000000001518