Diagnostic and therapeutic peroral and percutaneous cholangioscopy.

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@article{Classen1994DiagnosticAT, title={Diagnostic and therapeutic peroral and percutaneous cholangioscopy.}, author={Meinhard Classen and Horst Neuhaus}, journal={Journal of gastroenterology}, year={1994}, volume={29 Suppl 7}, pages={143-7} }