title: Cytochemical mechanisms of penicillin action; comparative responses of gram-positive and gram-negative bacteria to penicillin.
mesh_terms: D001419:Bacteria; D006090:Gram-Negative Bacteria; D010406:Penicillins / Q000494:pharmacology*
chemical_list: D010406:Penicillins
keywords: BACTERIA/effects of penicillin; PENICILLIN/effects