title: [Research advance in allogeneic hematopoietic stem cell transplantation in children with refractory leukemia].
authors.forename: Ying-yong
authors.initials: YY
authors.lastname: Xu
authors.forename: Jing
authors.initials: J
authors.lastname: Chen
mesh_terms: D002648:Child; D018380:Hematopoietic Stem Cell Transplantation; D006801:Humans; D007938:Leukemia / Q000601:surgery*