AU - DuRant RH, Smith JA, Kreiter SR, Krowchuk DP TI - THe relationship between early age of onset of initial substance use and engaging in multiple health risk behaviors among young adolescents PT - JOUR DP - 1999 TA - Archives of Pediatrics & Adolescent Medicine pages = {286-291}, VI - 153 IP - 3 AID - 10.1001/archpedi.153.3.286 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.153.3.286 SO - Archives of Pediatrics & Adolescent Medicine March 1, 1999 153(3):286