Effects of penetration enhancers on percutaneous permeability of geniposide in Xiao‘er Niuhuang tuire cataplasms Comparison of skin for percutaneous permeability of Xuetie Dingchuan Plaster in vitro In vitro percutaneous permeability and skin irritation of gastrodigenin In vitro percutaneous permeability and skin irritation of gastrodigenin Percutaneous permeability study for patches Shangshi Zhitong on different kinds of bases