摘要: Purpose This study was done to compare health risk behavior prevalence for youth living in metropolitan, medium sized and small cities or rural area, in order to enhance …
Nancy D Brener, David Chyen, Danice K Eaton, William A Harris, Joseph Hawkins, Laura Kann, Steve Kinchen, Connie Lim, Richard Lowry, Tim McManus, James Ross, Shari L Shanklin, Howell Wechsler, None, Youth risk behavior surveillance--United States, 2007.Morbidity and mortality weekly report. Surveillance summaries (Washington, D.C. : 2002). ,vol. 57, pp. 1- 131 ,(2008)