Sarcoidosis of the Nervous System, A Clinical Approach
Arch Int Med 151:1317-1321, Sharma,Om.P.&Sharma,A.D., 1991
Clinicopath Conf
Lyme Disease, Case Record 51-1988, NEJM 319:1654-1662988., , 1988
Infiltration of the Leptomeninges by Systemic Cancer:a Clinical & Pathologic Study
Arch Neurol 30:122, Olson,M.E.,et al, 1974