Assessment of postoperative morbidity in Spanish hospitals: Results from a national survey Roberto de la Plaza Llamas; David Parés; Víctor Soria Aledó; Roger Cabezali Sánchez; Miguel Ruiz Marín; Ana Senent Boza; Manuel Romero Simó; Natalia Alonso Hernández; Helena Vallverdú-Cartié; Julio Mayol Martínez;

Comparison of weight loss and metabolic syndrome parameters between sleeve gastrectomy and Roux-en-Y gastric bypass: A propensity score analysis María Asunción Acosta-Mérida; Raquel Bañolas-Suárez; Julia Díaz-Dávila; Pedro Saavedra-Santana; Joaquín Marchena-Gómez;

The textbook outcome for cholecystectomy: Is it a good quality tool for a low-morbidity procedure? David Hernández-Bermejo; Celia García-Vega; Juan Jesús Rubio-García; Celia Villodre-Tudela; Silvia Carbonell-Morote; José Manuel Ramia;