Recommendations on intervention for hepatobiliary oncological surgery during the COVID-19 pandemic Alejandra García Botella; Miguel Angel Gómez Bravo; Marcello Di Martino; Mikel Gastaca; Elena Martín-Pérez; Santiago Sánchez Cabús; Belinda Sánchez Pérez; Santiago López Ben; Juan Carlos Rodríguez Sanjuán; Rafael López-Andújar; Manuel Barrera;

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;

Superior mesenteric vein thrombosis as the only manifestation of SARS-CoV-2 infection Sergio Navarro-Martínez; José Ángel Diez Ares; Nuria Peris Tomás; Paula Gonzálvez Guardiola; Álvaro Pérez-Rubio;