Numao, Ayaka, Keisuke Suzuki, Hidehiro Takekawa, Toshiki Nakamura, Hisatake Iwanami, Naoki Izawa, Akio Iwasaki, Hiroaki Fujita, Yuji Watanabe, and Koichi Hirata. 2014. “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 1 (1). https://doi.org/10.12890/2014_000097.