【作者(必填)】Hui Cao, Qingwen Qian, Tingting Weng, Changjiang Yuan,

【文题(必填)】Screen time, physical activity and mental health among urban adolescents in China

【年份(必填)】Preventive Medicine, Volume 53, Issues 4–5, October–November 2011, Pages 316-320

【全文链接或数据库名称(选填)】