title: Ampicillin-resistance transferable in Haemophilus influenzae strains isolated from respiratory infections.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology*; D003227:Conjugation, Genetic; D006193:Haemophilus influenzae / Q000187:drug effects* / Q000235:genetics / Q000302:isolation & purification; D006801:Humans; D011815:R Factors; D012141:Respiratory Tract Infections / Q000382:microbiology*; D001618:beta-Lactamases / Q000032:analysis
chemical_list: D000667:Ampicillin; D001618:beta-Lactamases