Infections of the Nervous System, (Bacterial, Fungal, Spirochetal, Parasitic) and Sarcoidosis, Sarcoidosis
Adams & Victors Principles of Neurology, Chp 32, pg 721, Ropper, A.H.,et al, 2014
Localization of Lesions Causing Horner's Syndrome
Arch Ophthamol 44:710, Jaffe,N., 1950