求翻译：综上所述，丹芪偏瘫胶囊治疗脑血管病的疗效与其他常规西药及单纯针刺比较有差异，疗效可能优于常规西药与单纯针刺，且不良反应少。然而，由于纳入文献的质量不够高，样本量不够多，因此，我们需要更多的大样本、多中心、高质量的随机盲法实验来进一步证明其疗效和安全作用。是什么意思？

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In summary, Dan general hemiplegia capsules treatment efficacy of cerebrovascular disease with other conventional western medicine and acupuncture are simply there is a difference, efficacy may be superior to conventional western medicine and acupuncture, and simple and less adverse reactions. Howev

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