Stratmann J, van Kann E, Rummelt C, Koschade S, Röllig C, Lübbert M, Schaich M, Parmentier S, Sebastian M, Chromik J, et al. Low-dose melphalan in elderly patients with relapsed or refractory acute myeloid leukemia: A well-tolerated and effective treatment after hypomethylating-agent failure. Leuk Res. 2019;85:106192.