title: A new method of estimation of beta-lactam antibiotics.
mesh_terms: D000900:Anti-Bacterial Agents / Q000032:analysis*; D002511:Cephalosporins / Q000032:analysis; D003470:Culture Media / Q000032:analysis; D008722:Methods; D010398:Penicillic Acid / Q000032:analysis; D010406:Penicillins / Q000032:analysis*; D047090:beta-Lactams / Q000032:analysis
chemical_list: D000900:Anti-Bacterial Agents; D002511:Cephalosporins; D003470:Culture Media; D010406:Penicillins; D047090:beta-Lactams; D010398:Penicillic Acid