Ferreri AJ, Licata G, Foppoli M, Corazzelli G, Zucca E, Stelitano C, Zaja F, Fava S, Paolini R, Franzin A, Politi LS, Ponzoni M, Reni M. Clinical relevance of the dose of cytarabine in the upfront treatment of primary CNS lymphomas with methotrexate-cytarabine combination. Oncologist. 2011; 16(3):336-41.