http://rolemodels.jou.ufl.edu/rolemodels/entertainment/videogames.shtm

http://www.ndri.com/article/violent_tv_dvd_video_pc_game_show_badly_effect_on_kids_health-435.html

WWW.mentalhealth.com

http://seattlepi.nwsource.com/videogames/245524_condor24.html

http://www.swedish.org/129265.cfm

http://www.news-medical.net/?id=21133

http://www.msnbc.msn.com/id/16099971/

http://www.thebodysoulconnection.com/EducationCenter/fight.html