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Gastrointest Endosc
Prospective comparison of transcutaneous 3-dimensional US cholangiography, magnetic resonance cholangiography, and direct cholangiography in the evaluation of malignant biliary obstruction
- M. Huenerbein
- C. Stroszczynski
- C. Ulmer
- T. Handke
- R. Felix
- P.M. Schlag