Eleftherakis-Papapiakovou, Evangelos Kastritis, Esftathios Roussou, Maria Gkotzamanidou, Maria Grapsa, Irini Psimenou, Erasmia Nikitas, Nikitas Terpos, Evangelos Dimopoulos, Meletios A, Renal impairment is not an independent adverse prognostic factor in patients with multiple myeloma treated upfront with novel agent-based regimens, Leukemia & Lymphoma, (52), 2299--2303, 2011, Taylor & Francis, 1042-8194, 1029-2403