Middle and high school drug testing and student illicit drug use: a national study 1998-2011

Terry-McElrath, Yvonne M; O’Malley, Patrick M; Johnston, Lloyd D. (2013). Middle and high school drug testing and student illicit drug use: a national study 1998-2011. The Journal of adolescent health : official publication of the Society for Adolescent Medicine. 52(6), 707-715.