Development of patent application of transdermal patches in China Preparation and in vitro release of Maiyanning sustained release patches Advances in studies on transdermal patch of Chinese materia medica Advances in studies on transdermal patch of Chinese materia medica Optimizing prescription of triptolide transdermal patches by uniform design Optimizing prescription of triptolide transdermal patches by uniform design Preparation of emulsion-hydrogel transdermal patch of essential oil from Artemisiae Argyi Folium and its transdermal characteristics Effect of different penetration enhancers on percutaneous absorption of active components groups in Shaofu Zhuyu Transdermal Patches