Meningococcal pneumonia.
D006801:Humans; D008297:Male; D008589:Meningococcal Infections / Q000175:diagnosis / Q000188:drug therapy*; D008887:Military Medicine; D009345:Neisseria meningitidis / Q000302:isolation & purification; D010406:Penicillins / Q000627:therapeutic use*; D011014:Pneumonia / Q000188:drug therapy* / Q000382:microbiology; D013183:Sputum / Q000382:microbiology
D010406:Penicillins