title: Ampicillin-resistant followed by ampicillin-sensitive Hemophilus influenzae meningitis in a normal host.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology* / Q000627:therapeutic use; D000907:Antibodies, Bacterial; D006193:Haemophilus influenzae / Q000187:drug effects*; D006801:Humans; D007223:Infant; D008297:Male; D008583:Meningitis, Haemophilus / Q000188:drug therapy / Q000382:microbiology*; D010403:Penicillin Resistance
chemical_list: D000907:Antibodies, Bacterial; D000667:Ampicillin