Guidance for placement of catheter^W contrast retrograde:Find:Pt:Abdomen>Biliary ducts+pancreatic duct:Doc:RF
guidance for placement of catheter^w contrast retrograde:find:pt:abdomen>biliary ducts+pancreatic duct:doc:rf
Guidance for placement of catheter^W contrast retrograde:Find:Pt:Abdomen>Biliary ducts+pancreatic duct:Doc:RF
guidance for placement of catheter^w contrast retrograde:find:pt:abdomen>biliary ducts+pancreatic duct:doc:rf