Guidance for dilation of stricture+placement of stent^W contrast IV:Find:Pt:Abdomen>Biliary ducts:Doc:{Imaging modality}
guidance for dilation of stricture+placement of stent^w contrast iv:find:pt:abdomen>biliary ducts:doc:{imaging modality}
Guidance for dilation of stricture and placement of stent of Biliary ducts-- W contrast IV
guidance for dilation of stricture and placement of stent of biliary ducts-- w contrast iv