Methods The NBL stage-specific gene T668 was expressed in E. coli and the expression protein was used to immunize the mice at an interval of 10 days.

• 方法 以旋毛虫新生幼虫期特异性基因T6 6 8在大肠杆菌中的表达蛋白为抗原免疫小鼠 ,每间隔 10d免疫 1次 ,共免疫 3次。