@techreport { , title = {School based violence prevention programs: Systematic review of primary prevention trials}, journal = {Evidence-based Practice Center, Oregon Health and Science University}, publicationstatus = {Published}, url = {https://uwe-repository.worktribe.com/output/1072865}, keyword = {Centre for Health and Clinical Research, Formerly Health & Social Sciences, school violence, violence prevention, children}, year = {2003}, author = {DiGuiseppi, Carolyn and Gough, David and Taylor, Rod and Logan, Stuart and Mytton, Julie} }