A Phase 2, Multicenter, Open-label Study of MEDI-551 in Adults With Relapsed or Refractory Chronic Lymphocytic Leukemia (CLL) ClinicalTrials.gov, 29 Jan 2014 Accessed on 25 Jun 2014 from http://clinicaltrials.gov/ct2/show/NCT01466153. CommentRecommendBookmarkWatch