Name Info Provider Link
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=18294235.ui
subscription/membership/fee required Wiley https://doi.org/10.1111/j.1751-553X.2008.01036.x
free resource NCI CPTC Antibody Characterization Program https://antibodies.cancer.gov/detail/CPTC-CD4-1