Rio-Machín A, Menezes J, Maiques-Diaz A, Agirre X, Ferreira BI, Acquadro F, Rodriguez-Perales S, Juaristi KA, Álvarez S, Cigudosa JC. Abrogation of RUNX1 gene expression in de novo myelodysplastic syndrome with t(4;21)(q21;q22). Haematologica 2012; 97(4):534-537; https://doi.org/10.3324/haematol.2011.050567.