Randomized Controlled Trial of Yttrium-90–Labeled Ibritumomab Tiuxetan Radioimmunotherapy Versus Rituximab Immunotherapy for Patients With Relapsed or Refractory Low-Grade, Follicular, or Transformed B-Cell Non-Hodgkin’s LymphomaThomas E. Witzig, Christine A. White, Fernando Cabanillas et al.|Journal of Clinical Oncology|2002Cited by 1.2k