P.06.6: Are Self-Expandle Metal Stents Superior to Plastic Stents for Preoperative Biliary Drainage in Resectable Malignant Distal Biliary Stricture? A Systematic Review and Meta-Analysis. (15th March 2017) - Tringali, A.; Cintolo, M.; Sica, M.; Manta, R.; Mutignani, M.