Ferran Marta, Martin-Ezquerra Gemma, Vicente Asunción, Noguera Antoni, Alsina Laia, Gonzalez-Enseñat M Antonia
Department of Dermatology, Hospital Sant Joan de Déu, Barcelona, Spain.
Arch Pediatr Adolesc Med. 2007 Feb;161(2):199-200. doi: 10.1001/archpedi.161.2.199.