The International Prognostic Scoring System for Waldenström’s macroglobulinemia is applicable in patients treated with rituximab-based regimens - Meletios Athanasios Dimopoulos; Efstathios Kastritis; Sossana Delimpassi; Athanasios Zomas; Marie Christine Kyrtsonis; Konstantinos Zervas (Haematologica, 2008)