title: Studies on penicillinase inhibitors produced by microorganisms.
mesh_terms: D001419:Bacteria / Q000201:enzymology*; D010400:Penicillin G / Q000494:pharmacology; D013210:Staphylococcus / Q000187:drug effects / Q000201:enzymology / Q000378:metabolism; D013302:Streptomyces / Q000201:enzymology; D065093:beta-Lactamase Inhibitors
chemical_list: D065093:beta-Lactamase Inhibitors; D010400:Penicillin G