Sleep Duration and Factors Related to Sleep Loss in 3–14-Year-Old Children in Beijing: A Cross-Sectional Survey

Por Li, Xiao-Dan, Tai, Jun, Xu, Zhi-Fei, Wang, Gui-Xiang, Wu, Yun-Xiao, Du, Jiang-Nan, Zhang, Jie, Peng, Xiao-Xia, Ni, Xin
Publicado no Chin Med J (Engl) (2018)