OBJECTIVE To prepare colon-specific multiple and single coated drop pills and compare their colon-specific delivery.

结论多层包衣滴丸和单层包衣滴丸均具有结肠定位释药性能，但前者定位性能明显优于后者。

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The effect of single-coated foundation not so good.

而单涂粉底效果就没有那么好。

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The effect of single-coated foundation not so good.

而单涂粉底效果就没有那么好。

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