Pediatric research in Spain: Challenges and opportunities Laura Moreno-Galarraga; Cesar Gracía Vera; Irene Rivero-Calle; Federico Martinón-Torres; Ignacio Diez López; Fernando Cabañas; Cristina Calvo;

Use of topical antibiotic therapy in acute otitis media with otorrhea: Results of a national survey Maria Garcia de Oteyza; Miguel Ángel Molina Gutiérrez; Carlota Marín Córdoba; María de Ceano-Vivas;

Current epidemiological situation of Streptococcus pyogenes infections Cristina Calvo; Jesús Saavedra Lozano;