Kastritis E, Zervas K, Repoussis P, Michali E, Katodrytou E, Zomas A, Simeonidis A, Terpos E, Delimbassi S, Vassou A, et al. Prognostication in young and old patients with Waldenström's macroglobulinemia: Importance of the international prognostic scoring system and of serum lactate dehydrogenase. Clinical Lymphoma and Myeloma [Internet]. 2009;9(1):50 - 52.