title: In vitro antimicrobial susceptibility of Neisseria gonorrhoeae from penicillin treatment failures.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D066298:In Vitro Techniques; D009268:Nalidixic Acid / Q000494:pharmacology; D009344:Neisseria gonorrhoeae / Q000187:drug effects*; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology*
chemical_list: D000900:Anti-Bacterial Agents; D010406:Penicillins; D009268:Nalidixic Acid