However, the primary cell culture methods which are employed now have many defects.

然而，目前正被应用的滋养层细胞分离、培养、纯化方法均存在一定程度的缺陷。

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The primary culture of vascular smooth muscle cell used attachment-block method.

血管平滑肌细胞的原代培养采用贴块法进行。

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The primary culture of vascular smooth muscle cell used attachment-block method.

血管平滑肌细胞的原代培养采用贴块法进行。

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