口服结肠定位给药系统 OCDDS ; oral colon-specific drug delivery system ; OCSDDS ; Oral colon-targeted drug delivery system
目的：考察甲硝唑微囊口服结肠定位给药系统的制备工艺。
OBJECTIVE To investigate preparation method for the oral colon specific drug delivery system.
背景与目的：口服结肠靶向给药系统(OCDDS)是一种将药物定位释放于结肠的靶向制剂。
Background and Objective: OCDDS (Oral Colon-specific drug delivery system) is a kind of drug target delivery systems, which can deliver drug at colon.
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