TY - JOUR T1 - Neurocognitive and psychiatric changes as the initial presentation of neurosyphilis JF - Canadian Medical Association Journal JO - CMAJ SP - 499 LP - 503 DO - 10.1503/cmaj.121146 VL - 185 IS - 6 AU - Cecilia T. Costiniuk AU - Paul A. MacPherson Y1 - 2013/04/02 UR - http://www.cmaj.ca/content/185/6/499.abstract ER -