Objective : To compare the contents of shionone in different slices Radix Asteris ( RA ).

目的: 比较不同 紫菀 饮片中 紫菀 酮的含量.

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Objective: To study the effect of resolving phlegm of different prepared products of Radix Asteris.

摘要目的: 探讨不同炮制方法的紫菀饮片的祛痰作用.

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