英语语法分析

Objective: To study the clinical efficacy and safety of foscarnet sodium.

目的：探讨膦甲酸钠的临床疗效及毒副作用。

Objective To determine and compare the anti-HBV effect of famciclovir, foscarnet and oxymatrine in vitro.

目的评价泛昔洛韦、膦甲酸钠及氧化苦参碱的体外抗hbv作用。

To observe the clinical effect and adverse effect of foscarnet sodium in treating patients with chronic severe hepatitis B.

目的探讨膦甲酸钠治疗慢性重型乙型肝炎的疗效及其不良反应。