A novel plaster structural assembly is provided for iontophoresis wherein th e assembly is comprised of an electrode layer and a medicament-containing layer in which a water supplying layer is disposed between the electrode layer and the medicament-containing layer with a sealing cover disposed on the...http://www.google.es/patents/US4842577?utm_source=gb-gplus-sharePatente US4842577 - Plaster structural assembly for iontophoresis
