Viewpoint: Difficulty scores in laparoscopic liver surgery—getting closer to a powerful and necessary tool

ciria, ruben university hospital reina sofia - unit of hepatobiliary surgery and liver transplantation, Cordoba, Spain , ayllon, maria dolores university hospital reina sofia - unit of hepatobiliary surgery and liver transplantation, Cordoba, Spain , briceño, javier university hospital reina sofia - unit of hepatobiliary surgery and liver transplantation, Cordoba, Spain

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