title: H. influenzae resistance to ampicillin.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology*; D006193:Haemophilus influenzae / Q000187:drug effects*; D006801:Humans; D007223:Infant; D008297:Male; D008583:Meningitis, Haemophilus / Q000382:microbiology*; D010403:Penicillin Resistance
chemical_list: D000667:Ampicillin