Bevacizumab in combination with irinotecan, 5-fluorouracil, and leucovorin (FOLFIRI) in patients with metastatic colorectal cancer who were previously treated with oxaliplatin-containing regimens: a multicenter observational cohort study (TCTG 2nd-BV study)Toshikazu Moriwaki, Ichinosuke Hyodo, Atsuo Takashima et al.|Medical Oncology|2011Cited by 19