1. Risikofaktoren bei der operativen Therapie des Oesophaguscarcinoms;Bartels,1992
2. Endoscopic esophageal dissection: indicatins, techniques and clinical results;Bumm,1992
3. Die endoskopische Laserand Afterloading-Therapie bei inoperablen Tumoren des oberen Gastrointestinaltraktes;Dittler;Z Herz-, Thorax-, Gefäßchir,1988
4. Concurrent radiation and chemotherapy followed by esophagectomy for local-advanced cancer of the upper half of the esophagus;Fink,1992
5. Comparison of the results of radical esophagectomy and lymphadenectomy between TU Munich and Kurume: A multivariate analysis;Fujita,1991