1. Symposium on Ocular Therapy;Armaly,1973
2. T. Higuchi and A. Hussain, Intrauterine Device for Managing the Reproductive Process, Patent No. 3,903,880 (U.S.A.), issued September 9, 1975.
3. R.M. Gale and R.G. Berggren, Transdermal Delivery System for Delivering Nitroglycerin at High Transdermal Fluxes, Patent No. 4,615,699 (U.S.A.), issued October 7, 1986.
4. Ciba Pharmaceutical Company, Estraderm Package Insert, August, 1988.
5. Mechanism of diffusion of compounds through ethylene vinyl acetate copolymers I. Kinetics of diffusion of l-chloro-4-nitrobenzene, 3,4-dimethylphenol and 4-hexylresorcinol