Regression of liver fibrosis after biliary drainage in patients with chronic pancreatitis and stenosis of the common bile duct. - Hammel,P.; Couvelard,A.; O'Toole,D.; Ratouis,A.; Sauvanet,A.; Flejou,J.F.; Degott,C.; Belghiti,J.; Bernades,P.; Valla,D.; Ruszniewski,P.; Levy,P. (N Engl J Med, 2001)