Hedgehog pathway is deregulated in myelodysplastic syndrome progenitor bone marrow cells - Xavier, Juliana M.; Duarte, Adriana Silva Santos; Pericole, Fernando V.; Latuf-Filho, Paulo; Traina, Fabíola; Vassallo, José; Saad, Sara Teresinha Ollala (Annual Meeting and Exposition of American Society of Hematology (ASH), 2013)