Katodritou E, Terpos E, Kastritis E, Delimpasis S, Symeonidis AS, Repousis P, Kyrtsonis M-C, Vadikolia C, Michalis E, Polychronidou G, et al. Lack of survival improvement with novel anti-myeloma agents for patients with multiple myeloma and central nervous system involvement: the Greek Myeloma Study Group experience. Annals of Hematology [Internet]. 2015;94(12):2033 - 2042.