Name Info Provider Link
subscription/membership/fee required Wiley https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0021-9967&date=1997&volume=388&issue=4&spage=658
free resource NCI CPTC Antibody Characterization Program https://antibodies.cancer.gov/detail/CPTC-NT5E-1