1. Chien YW: In Novel drug delivery systems: Revised and expanded (Edited by: Chien YW). New York: Marcel Dekker 1992, 301–380.
2. Guy RH, Hadgraft J: Transdermal drug delivery: The ground rules are emerging. Pharm Int 1985, 6: 112–116.
3. Guy RH: Current status and future prospects of transdermal drug delivery. Pharm Res 1996, 13: 1765–1769. 10.1023/A:1016060403438
4. Weaver JC, Chizmadzhev YA: Theory of electroporation: a review. Bioelectrochemistry and Bioenergetics 1996, 41: 135–160. 10.1016/S0302-4598(96)05062-3
5. McElnay JC, Benson HAE, Hadgraft J, Murphy M: The use of ultrasound in skin penetration enhancement. In Pharmaceutical Skin Penetration Enhancement (Edited by: Walters K, Hadgraft J). New York: Marcel Dekker 1993, 293–309.