Hematopoietic stem cell transplantation for purine nucleoside phosphorylase deficiency with two novel mutations: a case report and review of literature. - Liu, Minyuan; Ji, Qi; Zhang, Senlin; Qian, Jing; Li, Bohan; Li, Jie; Xiao, Peifang; Hu, Shaoyan (Hematology, 2025)