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2. Structure and function of Catapres-TTS;Enscore,1985
3. Percutaneous absorption;Stoughton;Toxicol Appl Pharmacol,1965
4. Absorption of clonidine from a transdermal therapeutic system when applied to different body sites;Hopkins,1984
5. Pharmacokinetics of nitroglycerin and clonidine delivered by the transdermal route;Shaw;Am Heart J,1984