Graft- versus-leukaemia effect after non-myeloablative haematopoietic transplantation can overcome the unfavourable expression of ZAP-70 in refractory chronic lymphocytic leukaemia. - Khouri, Issa F.; Saliba, Rima M.; Admirand, Joan; O'Brien, Susan; Lee, Ming-S.; Korbling, Martin; Samuels, Barry I.; Giralt, Sergio; Lima, de Marcos; Keating, Michael J.; Champlin, Richard E.; Bueso-Ramos, Carlos (British Journal of Haematology, 2007)