RT Article T1 Predicting adolescents' persistence, non-persistence, and recent onset of nonmedical use of opioids and stimulants JF Addictive behaviors VO 37 IS 6 SP 716 OP 721 A1 Nakawaki, Brandon A2 Crano, William D. 1942- LA English YR 2012 UL https://krimdok.uni-tuebingen.de/Record/191265766X DO 10.1016/j.addbeh.2012.02.011