Studies on the Preparation Method for Compound Hirudo Oral Liquid Antidysmenorrheic effects of Radix Angelica and RhizomaChuanxiong with different proportions and preparation methodson dysmenorrhea model mice Survey of studies on sinapine Evaluation on preparation process of brevisapin colon-specific tables and its in vitro release Research Progress on Resveratrol Nanoliposomes Advances in studies on nano-technology applied in Chinese materia medica Advances in studies on nano-technology applied in Chinese materia medica Study on preparation of ampelopsin liposomes Research progress in preparation of diosgenin Preparation of antitumor component 25-OH-PPD isomers by RP-HPLC-ELSD Block copolymer micelles as delivery system for poorly soluble antineoplastic carrier Preparation and releasing evaluation in vivo and in vitro of pH-dependent Yuchangning Tablet for colon-specific delivery Preparation and in vivo evaluation of pH and time dependent Yuchangning tablets for colon-specific delivery The effect of preparation method on the quality of Shen-mai injection