Rituximab purging and/or maintenance in patients undergoing autologous transplantation for relapsed follicular lymphoma: a prospective randomized trial from the lymphoma working party of the European group for blood and marrow transplantation

Ruth Pettengell, Norbert Schmitz, Christian Gisselbrecht, Graeme Smith, William N Patton, Bernd Metzner, Dolores Caballero, Herve Tilly, Jan A Walewski, Isabelle Bence-Bruckler, Bik To, Christian H Geisler, Rik Schots, Eva Kimby, Christian J Taverna, Tomás Kozák, Peter Dreger, Ruzena Uddin, Carmen Ruiz de Elvira, Anthony H Goldstone