title: Some newer antibiotics.
mesh_terms: D000617:Aminoglycosides / Q000494:pharmacology*; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D002511:Cephalosporins / Q000494:pharmacology*; D006088:Gram-Negative Aerobic Bacteria / Q000187:drug effects; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology*
chemical_list: D000617:Aminoglycosides; D000900:Anti-Bacterial Agents; D002511:Cephalosporins; D010406:Penicillins