英语语法分析

The astite titer of antiserum in three immune mice is much higher than that of positive serum.

三只免疫小鼠的抗血清的滴度要比阳性血清高。

Hemagglutinin inhibition test was performed to detect titer of antiserum.

通过血凝抑制实验检测抗血清的抗体滴度。

Conclusion: ET antiserum inhibits intimal thickening after balloon injury.

结论：ET抗血清抑制动脉内膜的增生。