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Fortschritte Der Medizin|February 20, 1989
[Complications of cocaine transport in the gastrointestinal tract]G Benkert, L GutfreundFortschritte Der Medizin|March 10, 1991
[Perforation of the duodenum caused by a swallowed table knife. A case report]G Benkert, L GutfreundFortschritte Der Medizin|August 27, 1981
[Can an electric pacemaker be powered by the body's own energy? A medico-technical speculation]G Benkert, W FabianPageof 1