Sulphonamide-resistant meningococci.
D008585:Meningitis, Meningococcal / Q000188:drug therapy; D009345:Neisseria meningitidis / Q000187:drug effects*; D010403:Penicillin Resistance; D010406:Penicillins / Q000627:therapeutic use; D013449:Sulfonamides / Q000494:pharmacology* / Q000627:therapeutic use; D006113:United Kingdom; D014481:United States
D010406:Penicillins; D013449:Sulfonamides