Trends in mortality of hospitalised COVID-19 patients: A single centre observational cohort study from Spain oleh Carolina Garcia-Vidal, Alberto Cózar-Llistó, Fernanda Meira, Gerard Dueñas, Pedro Puerta-Alcalde, Catia Cilloniz, Nicole Garcia-Pouton, Mariana Chumbita, Celia Cardozo, Marta Hernández, Verónica Rico, Marta Bodro, Laura Morata, Pedro Castro, Alex Almuedo-Riera, Felipe García, Josep Mensa, José Antonio Martínez, Gemma Sanjuan, Antoni Torres, JM Nicolás, Alex Soriano