Heterogeneity of t(4;14) in multiple myeloma. Long-term follow-up of 100 cases treated with tandem transplantation in IFM99 trials. - Moreau, P.; Attal, M.; Garban, F.; Hulin, C.; Facon, T.; Marit, G.; Michallet, M.; Doyen, C.; Leyvraz, S.; Mohty, M.; Wetterwald, M.; Mathiot, C.; et al. (Leukemia (08876924), 2007)