Name Info Provider Link
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=31484032.ui
free resource NCI CPTC Antibody Characterization Program https://antibodies.cancer.gov/detail/CPTC-HLA-B-1
subscription/membership/fee required Silverchair Information Systems https://research.aota.org/ajot/article-lookup/doi/10.5014/ajot.2019.032789