[Translated article] Biological Biomarkers in Respiratory Diseases Francisco García-Río; Bernardino Alcázar-Navarrete; Diego Castillo-Villegas; Catia Cilloniz; Alberto García-Ortega; Virginia Leiro-Fernández; Irene Lojo-Rodriguez; Alicia Padilla-Galo; Carlos A. Quezada-Loaiza; Jose Antonio Rodriguez-Portal; Manuel Sánchez-de-la-Torre; Oriol Sibila; Miguel A. Martínez-García;

Biomarcadores biológicos en las enfermedades respiratorias Francisco García-Río; Bernardino Alcázar-Navarrete; Diego Castillo-Villegas; Catia Cilloniz; Alberto García-Ortega; Virginia Leiro-Fernández; Irene Lojo-Rodriguez; Alicia Padilla-Galo; Carlos A. Quezada-Loaiza; Jose Antonio Rodriguez-Portal; Manuel Sánchez-de-la-Torre; Oriol Sibila; Miguel A. Martínez-García;

Characteristics and Risk Factors Associated With Mortality in a Multicenter Spanish Cohort of Patients With COVID-19 Pneumonia José Ramón Muñoz-Rodríguez; Francisco Javier Gómez-Romero; José Manuel Pérez-Ortiz; Pilar López-Juárez; Juan Luis Santiago; Leticia Serrano-Oviedo; Francisco Javier Redondo-Calvo;