A. Vahlquist

• New Concepts for Topical Use of Natural Retinoids : Retinaldehyde in PerspectiveSatellite Symposium Held at the 7th EADV Meeting, Nice, October 1998 : ProceedingsSupplement Issue
• Retinoids - Experimental and Clinical Results : 17th World Congress of Dermatology, Berlin, May 1987Satellite Symposium 'Retinoids - Experimental Results' and CMD Symposium 'Retinoids - Present Status' : ProceedingsSupplement Issue