Name Info Provider Link
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=10905476.ui
free resource NCI CPTAC Assay Portal https://assays.cancer.gov/CPTAC-43
subscription/membership/fee required Silverchair Information Systems https://diabetesjournals.org/diabetes/article-lookup/doi/10.2337/diabetes.49.5.701