HUSEIN-ELAHMED, Husein; RUIZ-MOLINA, Inmaculada; CIVICO-AMAT, Vicente  and  SOLIS-GARCIA, Eduardo. Make your own diagnosis A 6-year old child with hyperpigmented patches in the right arm and chest. Biomédica [online]. 2015, vol.35, n.2, pp.162-164. ISSN 0120-4157.