Laparoscopic liver surgery: 8 years of multicenter Spanish register - Cugat, Esteve; Perez-Romero, Noelia; Rotellar, Fernando; Suarez, Miguel A.; Gastaca, Mikel; Artigas, Vicente; Olsina, Jorge-Juan; Noguera, Jose; Martinez, Sagrario; Moreno-Sanz, C.; Figueras, Joan; Herrera, Javier; et al. (Journal Of Hepato-Biliary-Pancreatic Sciences, 2010)