TY - JOUR T1 - Research on drug use goes down the toilet JF - Canadian Medical Association Journal JO - CMAJ SP - 165 LP - 166 DO - 10.1503/cmaj.109-4082 VL - 184 IS - 2 AU - Roger Collier Y1 - 2012/02/07 UR - http://www.cmaj.ca/content/184/2/165.abstract ER -