RT Article T1 Motivational subtypes of nonmedical use of prescription medications: Results from a national study JF Journal of adolescent health VO 51 IS 5 SP 445 OP 452 A1 McCabe, Sean Esteban A1 Cranford, James A. A2 Cranford, James A. LA English YR 2012 UL https://krimdok.uni-tuebingen.de/Record/1912626993 DO 10.1016/j.jadohealth.2012.02.004