TY - JOUR AU - Byrd, J C; Brown, J R; O'Brien, S TI - Ibrutinib versus ofatumumab in previously treated chronic lymphoid leukemia JO - N Engl J Med VL - 371 PY - 2014 DO - 10.1056/NEJMoa1400376 L3 - PubMed-ID: 24881631 SP - 213 EP - 223 N1 - et al. ER -