1. Altendorf A, Sinn HP, Hermanek P, Gall FP (1980) EKIP-Ein System zur Verarbeitung registerbezogener medizinischer Daten, insbesondere klinischer Krebsregister. EDV in Medizin und Biologie 11:102?108
2. Baker E, Krebs D, Sellin D, Schulz BO (1985) Analysis of survival times with respect to prognostic factors in cancer patients using Cox hazard models. Tumor Diagnostik & Therapy 6:185?190
3. Beahrs OH (1982) Colorectal cancer staging as a prognostic feature. Cancer 50:2615?2617
4. Bloom HJG, Richardson WW (1957) Histological grading and prognosis in breast cancer. Br J Cancer 2:353?377
5. Brandão, O, Sobrinho-Simões MD, Serrão D (1985) Prognosis of colorectal carcinoma. Pathol Res Pract 180:506?510