Guidance for biopsy^W contrast IV:Find:Pt:Abdomen>Retroperitoneum:Doc:CT
guidance for biopsy^w contrast iv:find:pt:abdomen>retroperitoneum:doc:ct
Guidance for biopsy^W contrast IV:Find:Pt:Abdomen>Retroperitoneum:Doc:CT
guidance for biopsy^w contrast iv:find:pt:abdomen>retroperitoneum:doc:ct