TY - JOUR T1 - Cognitive enhancers JF - Canadian Medical Association Journal JO - CMAJ SP - 799 LP - 799 DO - 10.1503/cmaj.113-2118 VL - 185 IS - 9 AU - Derryck H. Smith Y1 - 2013/06/11 UR - http://www.cmaj.ca/content/185/9/799.1.abstract N2 - ER -