Catalano Richard F, Haggerty Kevin P, Oesterle Sabrina, Fleming Charles B, Hawkins J David
Social Development Research Group, University of Washington, 9725 Third Ave., NE, Suite 401, Seattle, WA 98115-2024, USA.
J Sch Health. 2004 Sep;74(7):252-61. doi: 10.1111/j.1746-1561.2004.tb08281.x.