University Of Muenster For The German Multicenter Study Group Of Gi.-Nhl Analysis of Failures after Whole Abdominal Irradiation in Gastrointestinal Lympomas. Is Prophylactic Irradiation of Inguinal Lymph Nodes Required? - Reinartz, G; Kardels, B; Koch, P (Strahlenther Onkol, 1999)