Name Info Provider Link
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=22005421.ui
free resource NCI CPTAC Assay Portal https://assays.cancer.gov/non-CPTAC-3897
subscription/membership/fee required Cambridge University Press https://www.cambridge.org/core/product/identifier/S0007114511000869/type/journal_article