Retrospective study of acute mastoiditis in children in Spain attended in a Pediatric Emergency department Paula García-Sánchez; Belén Parra Rodríguez; Rosario López López; Miguel Ángel Molina Gutiérrez; Marta Bueno Barriocanal; María de Ceano-Vivas la Calle;

Respiratory syncytial virus outbreak during the COVID-19 pandemic. How has it changed? Lucía Hernández-Rivas; Teresa Pedraz; Cristina Calvo; Isabel San Juan; M.ª José Mellado; Ana Robustillo;

Trend of pediatric leprosy in an endemic area in Northeast of Brazil, 2008¿2018 Maria Eugênia Farias Gama; Aline de Paula Caetano Pereira;