芒果也是一个维生素a的重要来源。我们最好是从食物中获取这种维生素而不要通过补脉，虽然由于太多的维生素a可能会造成健康方面的问题。

Mangoes are also a great source of vitamin A. it's best to get this vitamin from food and not from supplements, though, since too much vitamin a can cause health problems [source: iV].

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方法：拟定了以活血化瘀、养血补虚、醒脑开窍的通脉益智丹对血管痴呆大鼠进行实验研究。

Methods:According to the main pathogenesis of blood stasis in brain vessels and insufficiency of blood supply of the VD rats.

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方法：拟定了以活血化瘀、血补虚、脑开窍的通脉益智丹对血管痴呆大鼠进行实验研究。

Methods: According to the main pathogenesis of blood stasis in brain vessels and insufficiency of blood supply of the VD rats.

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