Name Info Provider Link
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=8544634.ui
subscription/membership/fee required Wiley https://doi.org/10.1097/00005537-199601000-00016
free resource NCI CPTC Antibody Characterization Program https://antibodies.cancer.gov/detail/CPTC-TTR-1