Central Nervous System Relapse in Non-Hodgkin Lymphoma
Arch Neurol 54:854-859, Bollen,E.L.E.M.,et al, 1997
Brain Tumors
NEJM 324:1471-1476, 1555-15641991., Black,P.McL., 1991
Infiltration of the Leptomeninges by Systemic Cancer:a Clinical & Pathologic Study
Arch Neurol 30:122, Olson,M.E.,et al, 1974