Clinical feasibility of (neo)adjuvant taxane-based chemotherapy in older patients : analysis of >4,500 patients from four German randomized breast cancer trials - Loibl, Sibylle; Minckwitz, Gunter von; Harbeck, Nadia; Janni, Wolfgang; Elling, Dirk; Kaufmann, Manfred; Eggemann, Holm; Nekljudova, Valentina; Sommer, Harald; Kiechle, Marion; Kümmel, Sherko (Breast cancer research, 2008)