Prevention, diagnosis and treatment of necrosing enterocolitis in newborns less than 32 weeks at birth in Spain Carlos Zozaya; Alejandro Avila-Alvarez; Iván Somoza Argibay; Fermín García-Muñoz Rodrigo; Niki Oikonomopoulou; José Luis Encinas; Miguel Saenz de Pipaón; María Luz Couce;

Congenital diaphragmatic hernia: relationship between defect size and outcome. Experience in a reference centre Jesica Cecilia Otaño; Victoria Murua; Julieta Rugilo; Aixa Reusmann; Camila Gonzalez Ruhrnschopf; Diana Fariña; Gisela Lujan Salas;

Retrospective study on the effectiveness and safety of the shortened 5- to 7-day antibiotic regimen for acute streptococcal pharyngotonsillitis compared to the classic 10-day regimen Belén Salinas Salvador; Amelia Moreno Sánchez; Gema Carmen Marcén; David Molina Herranz; Teresa Arana Navarro; César García Vera;