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;

Assessing improvements in quality using textbook outcomes in colorectal surgery: A systematic review Luis Hurtado-Pardo; Zutoia Balciscueta Coltell; Janine Tabet Almeida; Mº Carmen Martin Diéguez; Manuel López Bañeres; Natalia Uribe Quintana;

Low rectal cancer anastomosis: Techniques, indications and functional outcomes Ana Gálvez; Caterina Foppa; Antonino Spinelli; Sebastiano Biondo;