TY  - JOUR 
AU  - Valladares Ayerbes, Manuel
PY  - 2011
SN  - 0167-6997
UR  - http://hdl.handle.net/20.500.11940/3174
LA  - eng
TI  - A randomized phase II study of raltitrexed and gefitinib versus raltitrexed alone as second line chemotherapy in patients with colorectal cancer. (1839IL/0143)
DO  - 10.1007/s10637-010-9400-z
T2  - INVESTIGATIONAL NEW DRUGS
M2  - 1038
VL  - 29
ER  -