Name Info Provider Link
subscription/membership/fee required Nature Publishing Group https://doi.org/10.1038/sj.ejcn.1602024
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=15252421.ui
free resource NCI CPTC Antibody Characterization Program https://antibodies.cancer.gov/detail/CPTC-ATM-4