TY - CONF AU - Reboredo Lopez, Margarita PY - 2015 SN - 0732-183X UR - http://hdl.handle.net/20.500.11940/711 LA - eng TI - Preliminary safety results of regorafenib (REG) as a single agent for first-line treatment of frail and/or unfit for polychemotherapy patients (pts) with metastatic colorectal cancer (mCRC): A phase II study of the Spanish Cooperative Group for Digestive VL - 33 ER -