Haemophilus influenzae type b meningitis resistant to ampicillin and chloramphenicol.
D000667:Ampicillin / Q000627:therapeutic use*; D002701:Chloramphenicol / Q000627:therapeutic use*; D006193:Haemophilus influenzae / Q000187:drug effects*; D006801:Humans; D008583:Meningitis, Haemophilus / Q000188:drug therapy*; D010403:Penicillin Resistance
D002701:Chloramphenicol; D000667:Ampicillin