Congenital lung malformations: Do preoperative symptoms have an impact in surgical outcomes? María López-Díaz; Ester Fernández Díez; Indalecio Cano Novillo; Elena Bergón; Rocío Morante Valverde; Alberto Galindo Izquierdo; Juan L. Antón-Pacheco;

Update of the Spanish clinical practice guideline for urinary tract infection in infants and children. Summary of recommendations for diagnosis, treatment and follow-up Juan David González Rodríguez; Gloria María Fraga Rodríguez; César Joaquín García Vera; Andrés Gómez Fraile; Juan Ignacio Martín Sánchez; José María Mengual Gil; Carlos Ochoa Sangrador; Blanca Valenciano Fuentes; Joaquín Escribano Subías;

Main changes in the ¿COVID-19 in paediatrics¿ clinical practice guideline Javier González de Dios; Victoria Martínez Rubio; Álvaro Giménez Díaz de Atauri; Carlos Ochoa Sangrador; Enrique Rodríguez-Salinas Pérez; Sergio Flores Villar; Jaime Javier Cuervo Valdés;