title: Letter: Ampicillin-resistant Haemophilus influenzae meningitis.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology / Q000627:therapeutic use*; D002701:Chloramphenicol / Q000627:therapeutic use; D005260:Female; D006193:Haemophilus influenzae / Q000187:drug effects*; D006801:Humans; D007223:Infant; D008583:Meningitis, Haemophilus / Q000188:drug therapy* / Q000382:microbiology; D010403:Penicillin Resistance
chemical_list: D002701:Chloramphenicol; D000667:Ampicillin