Evolutionary analysis of patient¿s morbidity and mortality in emergency surgical care during the pandemic: Retrospective comparison between first and second waves of COVID-19 Carlos Bustamante Recuenco; Esther María Cano Pecharromán; Gloria María Mendoza Esparrell; Mahur Esmailli Ramos; Javier Broekhuizen Benítez; Leticia Martín Paniagua; Teresa Calderón Duque; Tomás Balsa Marín;

Intramural duodenal hematoma: diagnosis and management of a rare entity Álvaro Pérez-Rubio; Juan Carlos Sebastián-Tomás; Sergio Navarro-Martínez; Marta Córcoles Córcoles; Carlos Domingo del Pozo;

Intestinal perforation in patient with COVID-19 infection treated with tocilizumab and corticosteroids. Report of a clinical case Paula Gonzálvez Guardiola; Jose Ángel Díez Ares; Nuria Peris Tomás; Juan Carlos Sebastián Tomás; Sergio Navarro Martínez;