Effectiveness of high-flow oxygen therapy in a second-level hospital in bronchiolitis Miriam Gutiérrez Moreno; Verísima Barajas Sánchez; Teresa Gil Rivas; Natalio Hernández González; Víctor Manuel Marugán Isabel; Carlos Ochoa-Sangrador;

Consequences of COVID-19 pandemic over acute bronchiolitis hospitalizations in the center and east of Spain Juan Manuel Rius-Peris; Jesús Lucas-García; Mónica García-Peris; Pascual Escrivá Tomás; José Miguel Sequí-Canet; Javier González de Dios;

Description of air quality and environmental characteristics in primary school classrooms in the Community of Madrid Begoña Pérez-Moneo; María Aparicio Rodrigo; Mª Dolores Redondas Marrero; Kevin Sabariego Moreno; María del Mar Barbero Barrera;