Numao, A., K. Suzuki, H. Takekawa, T. Nakamura, H. Iwanami, N. Izawa, A. Iwasaki, H. Fujita, Y. Watanabe, and K. Hirata. “Ischemic Stroke As the Initial Manifestation of Neurosyphilis in a Young Adult Patient Positive for Human Immunodeficiency Virus”. European Journal of Case Reports in Internal Medicine, vol. 1, no. 1, July 2014, doi:10.12890/2014_000097.