Severe adenovirus infection: presentation of 3 cases Ana Cristina Galindo García; Inés Teresa Bolsa Ferrer; Paula Casajús Pelegay; Ruth García Romero; Carlos Martín de Vicente;

Gastric Helicobacter heilmannii infection Raquel Gómez Sánchez; Elena del Valle Sánchez; Patricia Sanz Aznar; Ruth García Romero;

Neuroendocrine cell hyperplasia of infancy: Description of 6 cases Laura Gil Blanco; Alicia Hernando Larroy; Javier Sainz García; Carlos Martín de Vicente;