Impact of the COVID-19 pandemic in mortality due to respiratory diseases: A comparative analysis of 2021 and 2020 vs 2019 in Spain Joan B. Soriano; Adrián Peláez; Esteve Fernández; Julio Ancochea;

Clinical characteristics and outcomes among hospitalised COVID-19 patients across epidemic waves in Spain: An unCoVer analysis Adrián Peláez; Nerea Ruiz del Árbol; Antonio Vázquez Sellán; José María Castellano; Joan B. Soriano; Julio Ancochea; José L. Peñalvo;

Chronic obstructive pulmonary disease mortality in Spain between 1999 and 2019 Gema Ramírez-Rodríguez; Antonio Menéndez-Lobo; Alejandro Romero-Linares; Miriam Bernabéu-Fernández de Liencres; Pedro Jose Romero-Palacios; Bernardino Alcázar-Navarrete;