Prophylaxis with high‐dose methotrexate significantly reduces CNS dissemination in patients with diffuse large B‐cell lymphoma (DLBCL) and high‐risk CNS‐IPI score. (June 2017) - Ferreri, A.J.; Calimeri, T.; Cecchetti, C.; Vignati, A.; Sassone, M.; Perrone, S.; Girlanda, S.; Ponzoni, M.; Foppoli, M.