Haploidentical Stem Cell Transplantation in Patients with Pediatric Solid Tumors: Preliminary Results of a Pilot Study and Analysis of Graft versus Tumor Effects - Lang, P; Pfeiffer, M; Müller, I; Schumm, M; Ebinger, M; Koscielniak, E; Feuchtinger, T; Föll, J; Martin, D; Handgretinger, R (Klinische Pädiatrie, 2006)