MR Imaging of the Corpus Callosum:Normal and Pathologic Findings and Correlation with CT
AJNR 9:649-656, Reinarz,S.J.,et al, 1988
Multiple Malignant Astrocytomas in a Patient with Spontaneous Progressive Multifocal Leukoencephalopathy
Ann Neurol 14:183-188, Sima,A.A.F.,et al, 1983