TY - GEN AU - Qiao,Yi-juan AU - Xing,Yi AU - Duan,Jia-li AU - Bai,Cheng-xu AU - Pan,Yong-ping AU - Cui,Yong-qiang AU - Kong,Jun-hua TI - [Prevalence and associated factors of school physical violence behaviors among middle school students in Beijing] SN - 0254-6450 PY - 2013///0506 KW - Adolescent KW - China KW - epidemiology KW - Cross-Sectional Studies KW - Dangerous Behavior KW - Female KW - Humans KW - Male KW - Peer Group KW - Risk Factors KW - Risk-Taking KW - Schools KW - Students KW - psychology KW - Surveys and Questionnaires KW - Violence KW - statistics & numerical data N1 - Publication Type: English Abstract; Journal Article ER -