Hypoalbuminemia on admission in COVID-19 infection: An early predictor of mortality and adverse events. A retrospective observational study

María C. Viana‐Llamas, Ramón Arroyo‐Espliguero, José Alberto Silva, G Uribe-Heredia, Iván J. Núñez‐Gil, B García-Magallón, C Torán-Martínez, A Castillo-Sandoval, Eva Díaz‐Caraballo, Itsaso Rodríguez-Guinea, Jesús Domínguez-López