Melanoma in prepuberal children: Diagnostic and therapeutic challenges Cristina Larrosa; Antonio Torrelo; Luis Madero; Álvaro Lassaletta;

Tocilizumab in a child with acute lymphoblastic leukaemia and COVID-19-related cytokine release syndrome Pablo Velasco Puyó; Lucas Moreno; Cristina Díaz de Heredia; Jacques G. Rivière; Pere Soler Palacín;