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;

Role of fractional exhaled nitric oxide in patients with sickle cell disease Agustín Muñoz-Cutillas; Sara Bellón-Alonso; Eduardo Bardón-Cancho; Santiago Rodríguez-Tubío-Dapena; Lucía Díez-Llamazares; Rosa Rodríguez-Fernández; Juan Luis Rodríguez-Cimadevilla;

Poor compliance with clinical practice guidelines in the management of asthma in primary care in the community of Madrid María Leyre Román Villaizán; Andrea Seoane Sanz; Teresa Sanz Cuesta; Ricardo Rodríguez Barrientos; Tamara Alonso Safont; Carmen Villaizán Pérez; Manuel Praena Crespo;