title: Secondary acute lymphoblastic leukemia in childhood.
authors.forename: C B
authors.initials: CB
authors.lastname: Pratt
authors.forename: C H
authors.initials: CH
authors.lastname: Pui
mesh_terms: D002648:Child; D006801:Humans; D016609:Neoplasms, Second Primary / Q000209:etiology*; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000209:etiology*; D012189:Retrospective Studies