www.allergologie.at
www.gerda-assoc.com
www.videncenterforallergi.dk
www.ivdk.gwdg.de/dkg
www.sidapa.com
www.swissderma.ch
www.bcds.org.uk/society/
American Contact Dermatitis Society
www.contactderm.org
European Academy of Dermato-Venereology
www.eadv.org
www.ilds.org