Social media: What is its contribution to surgical research? Víctor Turrado-Rodríguez; Roser Termes Serra;

Fragility Index, Reverse Fragility Index, Fragility Quotients, and Susceptibility Index. Novel tools for assessing of randomized clinical trials Carlos Placer-Galán; Elisabet Bollo Arocena;

Intragastric balloon migration as a cause of intestinal obstruction Roser Termes-Serra; Víctor Turrado-Rodríguez; Alba Torroella; Xavier Morales;