Meningococcus and gonococcus: never the Twain--well, hardly ever.
D001170:Arthritis, Infectious / Q000175:diagnosis / Q000209:etiology; D003937:Diagnosis, Differential; D005260:Female; D006069:Gonorrhea / Q000175:diagnosis* / Q000382:microbiology; D006801:Humans; D008297:Male; D008581:Meningitis / Q000175:diagnosis / Q000209:etiology; D008589:Meningococcal Infections / Q000175:diagnosis* / Q000382:microbiology; D009344:Neisseria gonorrhoeae / Q000145:classification / Q000302:isolation & purification*; D009345:Neisseria meningitidis / Q000145:classification / Q000302:isolation & purification*; D010612:Pharyngitis / Q000209:etiology; D014526:Urethritis / Q000175:diagnosis; D014848:Vulvovaginitis / Q000209:etiology