Midline GranulomaTopel J. L. in Vinken P. J. & Bruyn, G. N. (Eds) Handbook of Clin Neurol, Vol 39, North-Holland Publ, Co, Amsterda, 1980
Non-healing Granuloma & the Nervous SystemQuart J Med 44:309-323, Anderson,J.M.,et al, 1975