Viral Infections of the Nervous System, Chronic Meningitis, and Prior Diseases, Chronic Persistent and Recurrent Meningitis
Adams & Victors Principles of Neurology, Chp 33, pg 746, Ropper, A.H.,et al, 2014
Recurrent Meningitis of Unknown Aetiology
Lancet 363:1772, Ellerin,T.B.,et al, 2004