Prevalence and temporal evolution of asthma symptoms in Spain. Global Asthma Network (GAN) study Alberto Bercedo Sanz; Antonela Martínez-Torres; Carlos González Díaz; Ángel López-Silvarrey Varela; Francisco Javier Pellegrini Belinchón; Inés Aguinaga-Ontoso; Luis García-Marcos;

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;

Increasing trend in patients with life-limiting and complex chronic conditions Javier Ochoa-Brezmes; Pablo del Villar Guerra; Jesús Andrés de Llano; Jesús Manuel Marugán de Miguelsanz;