TY - JOUR T1 - Exacerbation of psychosis triggered by a synthetic cannabinoid in a 70-year-old woman with Parkinson disease JF - Canadian Medical Association Journal JO - CMAJ SP - E50 LP - E52 DO - 10.1503/cmaj.170361 VL - 190 IS - 2 AU - Sean J. Udow AU - Maria Eliza Freitas AU - Susan H. Fox AU - Anthony E. Lang Y1 - 2018/01/15 UR - http://www.cmaj.ca/content/190/2/E50.abstract ER -