Physicians compliance during maintenance therapy in children with Down syndrome and acute lymphoblastic leukemia

C Bohnstedt, M Levinsen, S Rosthøj, B Zeller, M Taskinen, S Hafsteinsdottir, H Björgvinsdóttir, M Heyman, K Schmiegelow, Nordic Society of Pediatric Hematology and Oncology (NOPHO)