RT Article T1 Non-prescribed use of pain relievers among adolescents in the United States JF Drug and alcohol dependence VO 94 IS 1-3 SP 1 OP 11 A1 Wu, Li-Tzy A2 Patkar, Ashwin A. A2 Pilowsky, Daniel J. LA English YR 2008 UL https://krimdok.uni-tuebingen.de/Record/1912638231 DO 10.1016/j.drugalcdep.2007.09.023