PT - JOURNAL ARTICLE AU - Karen Leslie MD TI - Alcohol and drug use among teenagers AID - 10.1503/cmaj.071622 DP - 2008 Jan 15 TA - Canadian Medical Association Journal PG - 149--149 VI - 178 IP - 2 4099 - http://www.cmaj.ca/content/178/2/149.short 4100 - http://www.cmaj.ca/content/178/2/149.full SO - CMAJ2008 Jan 15; 178