%0 Journal Article %T Sleep duration in Chinese adolescents: biological, environmental, and behavioral predictors %A Chen, Ting %A Wu, Zengqiang %A Shen, Zhifei %A Zhang, Jun %A Shen, Xiaoming %A Li, Shenghui %A , %J Sleep Medicine %@ 1389-9457 %D 2014-11-01 %I Elsevier BV %~ DeepDyve