Terpos, Evangelos Christoulas, Dimitrios Kastritis, Efstathios Gkotzamanidou, Maria Gavriatopoulou, Maria Eleutherakis-Papaiakovou, Evangelos Migkou, Magdalini Roussou, Maria Papatheodorou, Athanasios Dimopoulos, Meletios A, Elevated levels of circulating activin-A correlate with features of advanced disease, extensive bone involvement and inferior survival in patients with multiple myeloma, Blood Disease Weekly, (116), 2967, 2010, Content Repository Only!,