Freeze-drying of oleanolic acid-loaded nanosuspensions Preparation and in vitro release characteristics of curcumin in nanosuspensions Research progress and thinking on solidification nanosuspensions drug delivery system of Chinese materia medica Research progress and thinking on solidification nanosuspensions drug delivery system of Chinese materia medica Preparation and dissolution determination of herpetrione nanosuspensions capsule Preparation and dissolution determination of herpetrione nanosuspensions capsule