Kastritis E, Zagouri F, Symeonidis A, Roussou M, Sioni A, Pouli A, Delimpasi S, Katodritou E, Michalis E, Michael M, et al. Preserved levels of uninvolved immunoglobulins are independently associated with favorable outcome in patients with symptomatic multiple myeloma. Leukemia [Internet]. 2014;28(10):2075 - 2079.