title: Studies on resistance to antibiotics; the action of penicillin on some gram-positive and gram-negative organisms and its potentiation by various inhibitors.
authors.forename: H P
authors.initials: HP
authors.lastname: TREFFERS
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D006801:Humans; D010406:Penicillins / Q000494:pharmacology*
chemical_list: D000900:Anti-Bacterial Agents; D010406:Penicillins