title: Letter: Ampicillin-resistant Haemophilus influenzae.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology*; D005260:Female; D006193:Haemophilus influenzae / Q000187:drug effects* / Q000302:isolation & purification; D006801:Humans; D010403:Penicillin Resistance; D011183:Postoperative Complications / Q000382:microbiology; D012141:Respiratory Tract Infections / Q000209:etiology / Q000382:microbiology; D013183:Sputum / Q000382:microbiology; D014628:Vagotomy / Q000009:adverse effects
chemical_list: D000667:Ampicillin