Diagnosis:Imp:Stdy:Biliary duct+Pancreatic duct:Nom
diagnosis:imp:stdy:biliary duct+pancreatic duct:nom
Diagnosis:Impression/interpretation of study:Duration of the study:Biliary duct+Pancreatic duct:Nominal
diagnosis:impression/interpretation of study:duration of the study:biliary duct+pancreatic duct:nominal