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Neurologist 16:2-15, Terushkin,V.,et al, 2010
Spinal Metastasis and Metastatic Disease to the Spine and Related Structures
eMedicine March, Tse,V., 2009
Primary Central Nervous System Lymphoma: Presentation, Diagnosis, and Staging
Neurosurg Focus 21:e16, Eichler, A.F. & Batchelor, T.T., 2006