Inotuzumab ozogamicin and donor lymphocyte infusion is a safe and promising combination in relapsed acute lymphoblastic leukemia after allogeneic stem cell transplant. Issue 4 (7th May 2021) - Papayannidis, Cristina; Sartor, Chiara; Dominietto, Alida; Zappone, Elisabetta; Arpinati, Mario; Marconi, Giovanni; Cristiano, Gianluca; Nanni, Jacopo; Parisi, Sarah; Barbato, Francesco; Paolini, Stefania; Soverini, Simona; et al.