The impact of frailty on intra-hospital survival in older patients with COVID-19 infection: the importance of early identification. SEMI-COVID National Registry. – REVISTA CLINICA ESPANOLA

Lopez-Sampalo, A; Hernandez-Negrin, H; Bernal-Lopez, M-R; Rubio-Rivas, M; Martin-Escalante, M D; Wikman-Jogersen, P; Garcia-Reyne, A; Fernandez-Madera Martinez, R; Gomez-Antunez, M; Beato-Perez, J L; Torres-Pena, J D; Martin-Oterino, J A; Loureiro-Amigo, J; Vicente de...