Vaccination schedule for adolescents. Consensus of the AEV, CAV-AEP and SEMA Francisco José Álvarez García; Ana María Grande Tejada; Ignacio Güemes Heras; Antonio Iofrío de Arce; Fernando Moraga Llop; Félix Notario Herreros; Jaime Jesús Pérez Martín; Pepe Serrano Marchuet; José Valdés Rodríguez;

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;

Functional gastrointestinal disorders frequency by Rome IV criteria Claudia Alonso-Bermejo; Josefa Barrio; Beatriz Fernández; Elena García-Ochoa; Almudena Santos; Marta Herreros; Cristina Pérez;