Infections of the Nervous System, (Bacterial, Fungal, Spirochetal, Parasitic) and Sarcoidosis, Neurosyphilis
Adams & Victors Principles of Neurology, Chp 32, pg 723, Ropper, A.H.,et al, 2014
Out of Africa, Trypanosomiasis
NEJM 347:749-753, Sahlas,D.J.,et al, 2002