Name Info Provider Link
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=37955189.ui
free resource NCI CPTC Antibody Characterization Program https://antibodies.cancer.gov/detail/CPTC-PTGS2-1
subscription/membership/fee required Cambridge University Press https://www.cambridge.org/core/product/identifier/S0967199423000473/type/journal_article