Infections of the Nervous System, (Bacterial, Fungal, Spirochetal, Parasitic) and Sarcoidosis, Lyme Disease (Erythema Chronicum Migrans; Borreliosis
Adams & Victors Principles of Neurology, Chp 32, pg 728, Ropper, A.H.,et al, 2014
Intradural Conus and Cauda Equina Tumours:A Retrospective Review of Presentation, Diagnosis & Early Outcome
JNNP 56:69-74, Mathew,P.&Todd,N.V., 1993