Population-Based Registration of Unselected Colorectal Cancer Patients: Five-Year Survival in the Region of Bonn/Rhine-Sieg, Germany - Lamberti, C; Di Blasi, K; Archut, D; Fimmers, R; Mathiak, M; Bollmann, M; Vogel, J; Kindermann, D; Mezger, J; Schmidt-Wolf, I G H; Sauerbruch, T (Zeitschrift für Gastroenterologie, 2005)