title: A new rapid agar cup assay of beta-lactam antibiotics in the presence of a chemical reagent.
mesh_terms: D000362:Agar; D001681:Biological Assay; D007202:Indicators and Reagents; D010406:Penicillins / Q000032:analysis* / Q000494:pharmacology; D013211:Staphylococcus aureus / Q000187:drug effects
chemical_list: D007202:Indicators and Reagents; D010406:Penicillins; D000362:Agar