Failure of response to ampicillin in Hemophilus influenzae meningitis.
D000667:Ampicillin / Q000008:administration & dosage / Q000494:pharmacology / Q000627:therapeutic use*; D002701:Chloramphenicol / Q000627:therapeutic use; D006193:Haemophilus influenzae / Q000187:drug effects; D006801:Humans; D007223:Infant; D007275:Injections, Intravenous; D008297:Male; D008583:Meningitis, Haemophilus / Q000188:drug therapy* / Q000209:etiology; D010403:Penicillin Resistance
D002701:Chloramphenicol; D000667:Ampicillin