Clinical evidence on the use of Hemopatch® in reducing bleeding and biliary fistula after liver resection: Prospective randomized study in planned surgery Andrea Boscà Robledo; Eva M Montalvá Orón; Ana Navío Seller; Javier Maupoey Ibáñez; Ana Hernando Sanz; David Calatayud Mizrahi; Francisco J Orbis Castellanos; Rafael López Andújar;