title: Loss of activity of Erwinia asparaginase on repeat applications.
authors.forename: J
authors.initials: J
authors.lastname: Boos
authors.forename: U
authors.initials: U
authors.lastname: Nowak-Göttl
authors.forename: H
authors.initials: H
authors.lastname: Jürgens
authors.forename: G
authors.initials: G
authors.lastname: Fleischhack
authors.forename: U
authors.initials: U
authors.lastname: Bode
mesh_terms: D001215:Asparaginase / Q000008:administration & dosage*; D001216:Asparagine / Q000097:blood; D002648:Child; D004885:Erwinia; D006801:Humans; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000188:drug therapy
chemical_list: D001216:Asparagine; D001215:Asparaginase