Midline GranulomaTopel J. L. in Vinken P. J. & Bruyn, G. N. (Eds) Handbook of Clin Neurol, Vol 39, North-Holland Publ, Co, Amsterda, 1980
Neurological Complications of Infections of the Head & NeckOtolaryng Clin North Am 9:729, Kaplan,R.J., 1976