Name Info Provider Link
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=22568468.ui
free resource NCI CPTAC Assay Portal https://assays.cancer.gov/CPTAC-920
subscription/membership/fee required Silverchair Information Systems https://meridian.allenpress.com/joi/article-lookup/doi/10.1563/AAID-JOI-D-10-00068