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;

Multidisciplinary management of perianal fistula in Crohn¿s disease: Protocol implementation and its clinical and quality of life outcomes Natalia González Alcolea; M. Dolores Martín Arranz; Blanca Monje Vera; Mario Álvarez Gallego; Jesús Díez Sebastián; Isabel Pascual Miguelañez;

Impact of sarcopenic obesity on surgical complications and oncologic outcomes of upper gastrointestinal tumors: a systematic review and meta-analysis Luz Divina Juez; Ana del Carmen Ortega; Pablo Priego; Juan Carlos García Pérez; José María Fernández-Cebrián; Jose I. Botella-Carretero;