title: The beta-lactamase stability of acylureidopenicillins.
mesh_terms: D004355:Drug Stability; D006868:Hydrolysis; D008802:Mezlocillin; D010406:Penicillins; D010878:Piperacillin; D001618:beta-Lactamases / Q000494:pharmacology*
chemical_list: D010406:Penicillins; D001618:beta-Lactamases; D008802:Mezlocillin; D010878:Piperacillin