Guidance for removal of calculus^W contrast retrograde intra biliary:Find:Pt:Abdomen>Biliary duct.common:Doc:RF
guidance for removal of calculus^w contrast retrograde intra biliary:find:pt:abdomen>biliary duct.common:doc:rf
RF Guidance for removal of calculus from Biliary duct common-- W contrast retrograde intra biliary
rf guidance for removal of calculus from biliary duct common-- w contrast retrograde intra biliary