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Herein, the preparation of tanshinone IIA ester-terminated dl-polylactide (OH-PDLLA-OR) microspheres was studied, and their pharmaceutical properties were investigated. The OH-PDLLA-OR microspheres were prepared using the emulsion solvent evaporation method. The microspheres were characterized, including the determination of tanshinone IIA content using UV spectrophotometry, and the in vitro drug...
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