Reliability of ultrasound in the assessment of muscle thickness in critically ill children Jéssica Knisspell de Oliveira; Camila Wohlgemuth Schaan; Cristiano Kohler Silva; Taila Cristina Piva; Ian Teixeira e Sousa; Francisco Bruno; Janice Luisa Lukrafka;

Capnography in newborns under mechanical ventilation and its relationship with the measurement of CO2 in blood samples Ignacio Sosa; Marcelo Cardetti; Verónica Favareto; Carlos Maure; Esteban Ceballos; Horacio Abona; Franco Martinez; Mariel Gigli; Susana Rodriguez; Augusto Sola;

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;