Name Info Provider Link
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=25385216.ui
free resource NCI CPTAC Assay Portal https://assays.cancer.gov/CPTAC-290
subscription/membership/fee required Cambridge University Press https://www.cambridge.org/core/product/identifier/S0924270800000065/type/journal_article