PT - JOURNAL ARTICLE AU - Sharon Levy TI - Brief interventions for substance use in adolescents: still promising, still unproven AID - 10.1503/cmaj.140303 DP - 2014 May 13 TA - Canadian Medical Association Journal PG - 565--566 VI - 186 IP - 8 4099 - http://www.cmaj.ca/content/186/8/565.short 4100 - http://www.cmaj.ca/content/186/8/565.full SO - CMAJ2014 May 13; 186