New antibiotic susceptibility testing definitions: «I» no longer means intermediate susceptibility David Aguilera-Alonso; Leticia Martínez Campos; Cecilia M. Fernández Llamazares; Cristina Calvo; Fernando Baquero-Artigao;

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;

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