Benchmarking in surgery: how to compare with the best Jose M. Ramia; Victoriano Soria-Aledo;

Failure to rescue in intrahepatic cholangiocarcinoma. SPAIC project Jose M. Ramia; Celia Villodre; Beatriz Villota-Tamayo; Cándido Alcazar; Mariano Franco;

Futility, failure to cure, failure to rescue and aborted surgery: New ways to measure the real usefulness of surgery Jose M. Ramia; Silvia Carbonell Morote;