Effect of dragon‘s blood powder with different grain size on transdermal absorption and adhesion of ZJHX paste In vitro transdermal permeability of Xiaoer Fuxie Navel Plaster investigated on different animals’ skin In vitro transdermal permeability of Xiaoer Fuxie Navel Plaster investigated on different animals’ skin Comparison on in vitro transdermal permeability, pharmacodynamics, and skin irritation of Guanjie Zhitong Patches based on two different matrixes