Changes in the epidemiology of acute mastoiditis according to the implementation of pneumococcal vaccination in a Spanish population Ángela Manzanares; David Aguilera-Alonso; María Escobar; Sara Vigil-Vázquez; Emilia Cercenado; Jesús Saavedra-Lozano;

Vulvovaginitis due to Neisseria meningitidis in a 6-year-old girl Héctor Condado Condado; Tatiana Khaliulina Ushakova; María Pilar Acín Romero; Antonio Beltrán Rosel;

Bleeding tumour with rapid onset in an immunosuppressed patient Alejandro Lapeña Casado; Antonio Beltrán Rosel; Victoria Lezcano Biosca; Mariano Ara Martín;