Neisseria Meningitidis infections in Richmond, September 1966 to August 1968.
D004352:Drug Resistance, Microbial; D008585:Meningitis, Meningococcal / Q000382:microbiology; D009345:Neisseria meningitidis / Q000187:drug effects*; D012703:Serotyping; D013449:Sulfonamides / Q000494:pharmacology; D014768:Virginia
D013449:Sulfonamides