title: Verrucous and crusty lesions since childhood.
authors: Department of Dermatology. Hospital Universitari Sagrat Cor, Barcelona, Spain. 36720gme@comb.es
authors: G
authors: G
authors: Martín-Ezquerra
authors: J
authors: J
authors: Bassas-Vila
authors: M
authors: M
authors: Salleras-Redonnet
authors: M
authors: M
authors: Sánchez-Regaña
authors: P
authors: P
authors: Umbert-Millet