Intraventricular Hemorrhage
UpToDate, Sept, Cucchiara B.L. and Pacelli, J.P., 2011
Cogan Syndrome
www.medlink.com, Feb, Ramachandran, T.S., 2010
Primary Central Nervous System Lymphoma: Presentation, Diagnosis, and Staging
Neurosurg Focus 21:e16, Eichler, A.F. & Batchelor, T.T., 2006