TY - JOUR A1 - Boys, A. A1 - Marsden, J. A1 - Strang, J. T1 - Understanding reasons for drug use amongst young people: a functional perspective Y1 - 2001 DO - 10.1093/her/16.4.457 JF - Health Education Research VL - 16 IS - 4 SP - 457 EP - -469 ER -