Twelve normal rabbits were divided into 4 groups, 3 in each group:CMC control,bendazol positive control group and 2 experiment groups.

• 12只家兔分为羧甲基纤维素钠(CMC)对照组 ,地巴唑阳性对照组和 2组实验组 ,共 4组 ,每组 3只。