title: [D-alpha-aminophenylacetamido]-penicillin on gram-positive and gram-negative bacteria. Comparative study].
mesh_terms: D001419:Bacteria / Q000494:pharmacology*; D006090:Gram-Negative Bacteria; D010406:Penicillins / Q000494:pharmacology*
chemical_list: D010406:Penicillins
keywords: BACTERIA/pharmacology; PENICILLIN/pharmacology