Open data for monitoring COVID-19 in Spain: Descriptive study Marina Guisado-Clavero; María Pilar Astier-Peña; Raquel Gómez-Bravo; Sara Ares-Blanco;

Treatment of COVID-19 with convalescent plasma in patients with humoral immunodeficiency ¿ Three consecutive cases and review of the literature Marcial Delgado-Fernández; Gracia Mar García-Gemar; Ana Fuentes-López; Manuel Isidro Muñoz-Pérez; Salvador Oyonarte-Gómez; Ignacio Ruíz-García; Jessica Martín-Carmona; Jaime Sanz-Cánovas; Manuel Ángel Castaño-Carracedo; José María Reguera-Iglesias; Juan Diego Ruíz-Mesa;

Planning for the assistance of critically ill patients in a Pandemic Situation: The experience of Vall d¿Hebron University Hospital Ricard Ferrer; Marcelino Báguena; Joan Balcells; Jordi Bañeras; Alfons Biarnes; Miriam de Nadal; Rosa María Gracia; Jesús Martinez; Xavier Nuvials; Jordi Riera; Oriol Roca; Juan Carlos Ruiz-Rodriguez;