收涩是治疗学名词，是治疗精气耗散、滑脱不收的方法。
目的：观察收涩中药对小鼠肝癌血道转移的影响。
Objective: to investigate the effect of astringent therapy herbs in mice with hepatoma haematogenous metastasis.
结论：收涩中药对H22肿瘤血道转移有一定的抑制作用。
Conclusion: astringent therapy herbs has an inhibitory effect on the metastasis of H22 tumor.
比较不同类型的中草药的微量元素含量，发现收涩药的锌、铁、镍的含量较低。
In comparison with the content of trace elements in different types of Chinese herbal medicines, it was revealed that Zn, fe and Ni in astringent were lower.
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