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我们于1973年开始对东北贯众进行了有效成分的分离和药理作用的研究,发现贯众抗生育有效部分对豚鼠离体和在体子宫皆有明显的收缩作用,且对小鼠、大鼠、家兔及狗都有不同程度的抗早孕作用。
In 1973, we started the study on the separation and pharmacological effects of active ingredients in northeast Guanzhong, and found that the effective part of Guanzhong had significant contractile effect on both guinea pig and uterus in guinea pigs and in mice and rats , Rabbits and dogs have varying degrees of anti-early pregnancy effect.