title: [Drug resistance and beta-lactam antibiotic inactivation by bacteria isolated from clinical materials].
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects* / Q000302:isolation & purification; D006801:Humans; D007709:Klebsiella / Q000187:drug effects* / Q000302:isolation & purification; D013210:Staphylococcus / Q000187:drug effects* / Q000302:isolation & purification; D047090:beta-Lactams / Q000494:pharmacology*
chemical_list: D000900:Anti-Bacterial Agents; D047090:beta-Lactams