title: Ampicillin resistance in Haemophilus influenzae.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology*; D006192:Haemophilus Infections / Q000382:microbiology; D006193:Haemophilus influenzae / Q000187:drug effects*; D006801:Humans; D010403:Penicillin Resistance
chemical_list: D000667:Ampicillin