K Kraal, N Schalij-Delfos, M van Buchem, M Egeler and L Ball (2005) “Optic nerve relapse in a child with common acute lymphoblastic leukemia, treated with systemic anti-CD-20 (rituximab)”, Haematologica. Pavia, Italy, 90(suppl), pp. ECR24-ECR24. Available at: https://haematologica.org/article/view/3731 (Accessed: 16September2026).