1. 1) Sato K., Sugibayashi K., Morimoto Y., Omiya H., Enomoto N., J. Pharm. Pharmacol., 41, 379-383 (1989).
2. 2) Chattaraj S. C., Walker R. B., “Percutaneous Penetration Enhancer,” eds. by Smith E. W., Maibach H. I., CRS Press, New York, 1995, pp. 5-20.
3. 3) Singh P., Liu P., “Topical Absorption of Dermatological Products,” eds. by Bronaugh R. L., Maibach H. I., Marcel Dekker, Inc., New York, 2002, pp. 353-376.
4. 4) Mori K., Hasegawa T., Sato S., Sugibayashi K., J. Control. Release, 90, 171-179 (2003).
5. 5) Kost J., Mitragotri S., Langer R., “Topical Absorption of Dermatological Products,” eds. by Bronaugh R. L., Maibach H. I., Marcel Dekker, Inc., New York, 2002, pp. 335-351.