Trends in mortality in Spain, with a special focus on respiratory-related conditions in the midst of the COVID-19 pandemic Adrián Peláez; Joan B. Soriano; María Rodrigo-García; José L. Peñalvo; Julio Ancochea; Esteve Fernández;

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;