title: Targeted therapy for Ewing's sarcoma: significance of heterogeneity.
authors.affiliation: Department of Medical Oncology, Radboud University Nijmegen Medical Centre, PO Box 9101, 6500 HB Nijmegen, the Netherlands.
authors.forename: A C M
authors.initials: AC
authors.lastname: Van De Luijtgaarden
authors.forename: W T A
authors.initials: WT
authors.lastname: Van Der Graaf
authors.forename: I
authors.initials: I
authors.lastname: Otte-Höller
authors.forename: H W B
authors.initials: HW
authors.lastname: Schreuder
authors.forename: Y M H
authors.initials: YM
authors.lastname: Versleijen-Jonkers
authors.forename: P J
authors.initials: PJ
authors.lastname: Slootweg