Haemophilus influenzae meningitis.
D000667:Ampicillin / Q000627:therapeutic use; D002170:Canada; D002701:Chloramphenicol / Q000627:therapeutic use; D004359:Drug Therapy, Combination; D006801:Humans; D008583:Meningitis, Haemophilus / Q000188:drug therapy* / Q000382:microbiology; D006113:United Kingdom; D014481:United States
D002701:Chloramphenicol; D000667:Ampicillin