1. BRENNAN, M.J.: Breast cancer. In: Holland, J.F., Frei, E. III (Eds.): Cancer medicine, S.1769. Philadelphia: Lea & Febiger 1973.
2. BRUNNER, K.W., MARTZ, G., SENN, H.J., OBRECHT, P., ALBERTO, P., MELCHERT, F.: Kontrollierte Untersuchungen über zytostatische Kombinationstherapien beim metastasierenden Mammakarzinom. Internist (Berl.) 14, 643 (1973).
3. CARTER, S.K.: Single and combination nonhormonal chemotherapy in breast cancer. Cancer (Philad.) 30, 1543 (1972).
4. COOPER, R.: Combination chemotherapy in hormone resistant breast cancer. Proc. Amer. Ass. Cancer Res. 10, 15 (1969).
5. CUTLER, S.J., HEISE, H.W.: Efficacy of current treatment methods in cancer of the breast. Cancer (Philad.) 24, 1117 (1969).