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，邻氯青霉素治疗3周，有改善。

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

利HPLC测定注氯青霉素钠中苄西林和氯唑西林的含量。