A diagnosis of ampullar impetigo was made and she received cloxacillin for 3 weeks without improvement.

她被诊断为壶腹状脓疱疹，接受青霉素治疗3周，没有改善。

A convenient and accurate HPLC method to determine ampici llin and cloxacillin in ampicloxacillin sodium for injection was established.

利用HPLC测定注射用氨青霉素钠中氨苄西和唑西的含量。