TY - JOUR T1 - Reefer madness JF - Canadian Medical Association Journal JO - CMAJ SP - 988 LP - 988 DO - 10.1503/cmaj.071321 VL - 177 IS - 8 AU - Margret Kopala Y1 - 2007/10/09 UR - http://www.cmaj.ca/content/177/8/988.abstract ER -