JM Ribera, JJ Ortega, A Oriol, I Granada, JM Hernandez-Rivas, R Parody, C Bethencourt, C Rivas, P Bastida, E del Potro, ME Gonzalez-Valentin, MJ Moreno, J Besalduch, J Fernandez-Calvo, M Tormo, J Arias, A Molines, MA Sanz, J Maldonado, F Milla, E Feliu, JF San Miguel, PETHEMA Group, Spanish Society of Hematology. Prognostic value of karyotypic analysis in children and adults with high-risk acute lymphoblastic leukemia included in the PETHEMA ALL-93 trial. Haematologica 2002;87(2):154-166; https://doi.org/10.3324/%x.