NeurosyphilisNEJM 381:1358-1363, Ropper, A.H.,et al, 2019
Infections of the Nervous System, (Bacterial, Fungal, Spirochetal, Parasitic) and Sarcoidosis, NeurosyphilisAdams & Victors Principles of Neurology, Chp 32, pg 723, Ropper, A.H.,et al, 2014