Haneke E, Roseeuw D
Department of Dermatology, Wuppertal Hospitals Ltd, Clinical Health Center of the University of Witten/Herdecke, Academic Teaching Hospital of Heinrich Heine University, Düsseldorf, Germany.
Int J Dermatol. 1999 Sep;38 Suppl 2:7-12. doi: 10.1046/j.1365-4362.1999.00015.x.