TY - CONF AU - Valladares Ayerbes, Manuel PY - 2011 SN - 0959-8049 UR - http://hdl.handle.net/20.500.11940/3138 LA - eng TI - Role of Baseline Circulating Tumour Cells and KRas Status in Patients With Metastatic Colorectal Cancer Treated With First-line Chemotherapy Plus Bevacizumab: a TTD Spanish Group Cooperative Study VL - 47 ER -