1. Symposium on Transdermal Controlled Release Medication. Organized by Rutgers University, College of Pharmacy. New Brunswick, New Jersey, January 14–15, 1982.
2. International Symposium on Skin Penetration. Organized by the Food and Drug Administration (FDA). Washington, D.C., April 27, 1983.
3. Workshop on Skin the Barrier: In Vitro Assessment and Prediction Techniques. Organized by Forum for Scientific Excellence, Inc. Newark, New Jersey, July 18–19, 1983.
4. Seminar on Problems and Possibilities for Transdermal Drug Delivery. Organized by the University of California, Schools of Medicine and Pharmacy, San Francisco, California, and co-sponsored by the Food and Drug Administration (FDA). Washington, D.C., February 2–3, 1985.
5. Workshop on Principles and Practices of/« Vitro Percutaneous Absorption Studies. Relevance to Bioavailability and Bioequivalence. Organized by the Food and Drug Administration (FDA) and the American Association of Pharmaceutical Scientists (AAPS). Washington, D.C., October 31-November 1, 1986.