Uwe Platzbecker, Marc Binder, Christoph Schmid, Claudia Rutt, Gerhard Ehninger, Martin Bornhäuser. Second donation of hematopoietic stem cells from unrelated donors for patients with relapse or graft failure after allogeneic transplantation. Haematologica 2008;93(8):1276-1278; https://doi.org/10.3324/haematol.12798.