Name Info Provider Link
Antibiotics free resource MedlinePlus Health Information https://medlineplus.gov/antibiotics.html
subscription/membership/fee required Wiley https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0928-8244&date=1993&volume=6&issue=2-3&spage=235
free resource NCI CPTC Antibody Characterization Program https://antibodies.cancer.gov/detail/CPTC-PGR-1