Serra David, De Oliveira Hugo Schönenberger, Reis José Pedro, Vieira Ricardo, Figueiredo Américo
University Hospital of Coimbra, Dermatology Department, Praceta Prof Mota Pinto, 3000-075 Coimbra, Portugal.
Eur J Dermatol. 2010 Jul-Aug;20(4):509-10. doi: 10.1684/ejd.2010.0954. Epub 2010 Apr 19.