A phase II study of capecitabine, oxaliplatin, and cetuximab with or without bevacizumab as frontline therapy for metastatic colorectal cancer. A Fox Chase extramural research study. - Dotan E; Meropol NJ; Burtness B; Denlinger CS; Lee J; Mintzer D; Zhu F; Ruth K; Tuttle H; Sylvester J; Cohen SJ (Journal of gastrointestinal cancer, 2012)