State of child and adolescent mental health during the first wave of the COVID-19 pandemic and at the beginning of the 2020¿2021 school year Anna Gatell-Carbó; Elena Alcover-Bloch; Josep Vicent Balaguer-Martínez; Tomás Pérez-Porcuna; María Esteller-Carceller; Patrícia Álvarez-Garcia; Emilio Fortea-Gimeno;

Evolution of antibiotic prescription in Primary Health Care according to the indicators of the Spanish Action Plan on Antibiotic Resistance (PRAN) Carlos Marcilla Vázquez; Juan Ríos Laorden; Ángeles Lloret Callejo; Francisco Tejada Cifuentes; María José Tirado Peláez; Ignacio Párraga-Martínez;

Paediatric endoscopy in Spain: current situation and recent developments María Navalón Rubio; Carmen Jovani Casano; Marta Soria López; Alfonso Rodríguez Herrera; Miguel Ángel López Casado; Víctor Manuel Navas-López; Víctor Vila Miravet;