Mesenchymal stromal cells derived from the bone marrow of acute lymphoblastic leukemia patients show altered BMP4 production: correlations with the course of disease. oleh Ángeles Vicente López, Miriam Nohemí Vázquez García, Gustavo J Melen, Ana Entrena Martínez, Isabel Cubillo Moreno, Javier García-Castro, Manuel Ramírez Orellana, Agustín Gregorio Zapata González