Diagnostic study of pertussis using PCR in primary care clinics Cristina Rodríguez Arranz; M.ª Rosa Albañil Ballesteros; César García Vera; Miriam Blasco Alberdi; M. Josefa Gil de Gómez;

Evolution of the incidence of type 1 diabetes mellitus in the Community of Madrid, 1997¿2016 Honorato Ortiz-Marrón; Virginia del Pino Valero; María Esteban-Vasallo; Belén Zorrilla Torras; María Ordobás Gavín;

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;