Santos, Hilda Maria Pascal Alves dos, et al. “The Importance of Including Neurosyphilis in the Differenti Al Diagnosis of Pati Ents Wit H Cognitive Decline and Behavior Disturbances”. Brazilian Journal of Sexually Transmitted Diseases, vol. 22, no. 3, Aug. 2010, pp. 150-2, https://bjstd.org/revista/article/view/1090.