Vassallo Camilla, Brazzelli Valeria, Ardigò Marco, Barbagallo Tania, Borroni Giovanni
Department of Dermatology, University of Pavia, Policlinico S. Matteo-IRCCS, Pavia, Italy.
Int J Dermatol. 2003 Dec;42(12):950-2. doi: 10.1111/j.1365-4632.2003.01819.x.