In vitro release study showed that polyanhydride erosion is the mechanism of drug controlled release.
体外释放研究表明，聚酸酐的溶蚀是控释的机理。
Objective: to prepare the microcapsules of dirithromycin and to study its release rate in vitro.
目的：制备地红霉素微囊并考察其体外释放度。
Objective: to prepare the microcapsules of dirithromycin and to study its release rate in vitro.
目的：制备地红霉素微囊并考察其体外释放度。
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