Primary Central Nervous System Lymphoma: Presentation, Diagnosis, and Staging
Neurosurg Focus 21:e16, Eichler, A.F. & Batchelor, T.T., 2006
Unsuspected Organic Iisease in Chronic Schizophrenia Demonstrated by Computed Tomography
JNNP 43:1065-1069, Owens,D.G.C.,et al, 1980