Surgical treatment for pharyngo-esophageal diverticulum: Consecutive series over 20 years Enrique Biel; Luis Grande; Manuel Pera;

Benchmarking in surgery: the comparison to achieve excellence in results Clara Gené-¿krabec; David Parés;

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;