Anagnostopoulos A, Zervas K, Kyrtsonis MC, Symeonidis A, Gika D, Bourantas K, Zomas A, Anagnostopoulos N, Pangalis G, Dimopoulos MA. Prognostic value of serum ?2-microglobulin in patients with waldenström's macroglobulinemia requiring treatment. Clinical Lymphoma and Myeloma [Internet]. 2006;7(3):205 - 209.