Randomized Phase II Trial of Cetuximab/Bevacizumab/Irinotecan versus Cetuximab/Bevacizumab in Irinotecan-Refractory Colorectal Cancer LB Saltz, HJ Lenz,
LB Saltz, HJ Lenz, H Kindler, H Hochster, S Wadler, P Hoff, N Kemeny, E Hollywood, M Gonen,