Guidance for balloon dilatation^W contrast:Find:Pt:Abdomen>Biliary ducts:Doc:RF
guidance for balloon dilatation^w contrast:find:pt:abdomen>biliary ducts:doc:rf
Guidance for balloon dilatation^W contrast:Finding:To identify measures at a point in time:Abdomen>Biliary ducts:Document:Radiofluoroscopy
guidance for balloon dilatation^w contrast:finding:to identify measures at a point in time:abdomen>biliary ducts:document:radiofluoroscopy