Effectiveness of 5-Azacytidine in older patients with high-risk myelodysplastic syndromes and oligoblastic acute myeloid leukemia: A retrospective analysis of the Hellenic (Greek) MDS Study Group. Issue 1 (January 2020) - Papageorgiou, Sotirios G.; Kontos, Christos K.; Kotsianidis, Ioannis; Karousi, Paraskevi; Symeonidis, Argyris; Galanopoulos, Athanasios; Bouchla, Anthi; Hatzimichael, Eleftheria; Repousis, Panagiotis; Zikos, Panagiotis; Viniou, Nora-Athina; Poulakidas, Elias; et al.