Selinexor in combination with venetoclax and decitabine in patients with refractory myelodysplastic syndrome previously exposed to hypomethylating agents: three case reports - Xiao, Yunshuo; Yang, Kun; Huang, Qiuying; Wei, Changqing; Wei, Manlv; Geng, Zhili; Wu, Hui; Zhou, Tianhong; Yin, Xialoin; Zhou, Yali (Frontiers in Oncology, 2024)