Combined therapy of experimental pancreatic cancer with CYP2B1 producing cells: Low-dose ifosfamide and local tumor irradiation - Ryschich, Eduard; Jesenofsky, Ralf; Ringel, Jörg; Harms, Walter; Fabian, Oliver V.; Saller, Robert; Schrewe, Michael; Engel, Alexander; Schmidt, Jan; Löhr, J.-Matthias (International journal of cancer, 2005)