title: Letter: Penicillin-resistant Neisseria meningitidis.
mesh_terms: D006801:Humans; D007275:Injections, Intravenous; D008585:Meningitis, Meningococcal / Q000188:drug therapy* / Q000382:microbiology; D009345:Neisseria meningitidis / Q000187:drug effects*; D010403:Penicillin Resistance; D010406:Penicillins / Q000008:administration & dosage / Q000494:pharmacology* / Q000627:therapeutic use
chemical_list: D010406:Penicillins