Sinomenine hydrochloride ethosome preparation and its transdermal penetration Sinomenine hydrochloride ethosome preparation and its transdermal penetration Preparation of nasal ethosome sprays of volatile oil in Magnoliae Flos and evaluation of its quality Preparation and characterization of non-ionic surfactant vesicle of cantharidin Study on preparation and tissue distribution of hydroxycamptothecin liposomes