TY - JOUR AU - Colleoni, M; Viale, G; Zahrieh, D TI - Chemotherapy is more effective in patients with breast cancer not expressing steroid hormone receptors: a study of preoperative treatment JO - Clin Cancer Res IS - 19 VL - 10 PY - 2004 DO - 10.1158/1078-0432.CCR-04-0380 L3 - PubMed-ID: 15475452 SP - 6622 EP - 6628 N1 - . Doi: 10.1158/1078-0432.CCR-04-0380 ER -