Study on preparation process of artesunate polylactic acid microspheres Preparation and release in vitro of Sarcandrae extract from injectable thermosensitive in situ gel Preparation and release in vitro of injectable thermosensitive in situ gel of Glabrous Sarcandra herb extract Study on drug release of gastrodin ion-activated nasal in situ gel in vitro Optimize preparation parameters of colon-specific pellets of Angelica Sinensis Radix supercritical fluid extraction with response surface analysis methodology Preparation of sustained-release dropping pills of total glucosides in Radix Paeoniae Alba The preparation and the in vitro release of OANO-1 microspheres Comparison of in vitro release behavior of proanthocyanidins flexiblenanoliposomes and general nanoliposomes Preparation and pharmacodynamics studies on anti-inflammatory effect of catechu gel Study on application of bioassay method in drug-release evaluation in vitro of Salvia miltiorrhiza hydrophilic gel matrix tablets Evaluation of drug release behavior in vitro of ginkgolides component drug release unit Characterization and in vitro release of chitosan nanoparticles loading norcantharidin Preparation and formulation optimization of Rheum Colon Targeted Pellets Preparation of Xionggui nasal sprays and its evaluation in release in vitro and absorption in vivo Preparation of solid lipid nanoparticles loaded with Xionggui powder-supercritical carbon dioxide fluid extraction and their evaluation in vitro release Preparation and characterization of transfersomes of three drugs in vitro Study on index for formulation optimization of sustained or controlled released dosage forms