6Qvist MH, Hoeck U, Kreilgaard B, et al. Release of chemical permeation enhancers from drug-in-adhesive transdermal patches. Int J Pharm, 2002,231(2): 253
7Williams AC, Barry BW. Skin absorption enhancers. Crit Rev Ther Drug Car-tier Syst, 1992,9 : 305