K. Hengels

发表

F. Borchard, R. Porschen, M. Hilse, 1991, International journal of cancer.

M. Piontek, F. Borchard, G. Strohmeyer, 2008, Deutsche medizinische Wochenschrift.

M. Piontek, R. Porschen, G. Strohmeyer, 2005, Journal of Cancer Research and Clinical Oncology.

F. Borchard, M. Sarbia, K. Hengels, 1993, Pathology, research and practice.

H. Hefter, M. Piontek, G. Strohmeyer, 1992, Digestive Diseases and Sciences.