英语语法分析

Oxacillin and cefazolin were added to control infection.

术后还加用新型青霉素和头孢唑啉，控制感染。

Objective To study the stability of cefazolin sodium intracutaneous injection.

目的进行头孢唑林钠皮试液的稳定性考察。

Penicillin, cefazolin, erythromycin, ciprofloxacin and SMZco were more widely used.

青霉素、头孢唑林、红霉素、环丙沙星和复方新诺明用量较大。