Investigation on sleep quality of residents in Changchun city and its relevant influencing factors　

MA Lin, KOU Chang-Gui, CHANG Lin, MENG Xiang-Fei, YAO Yan, SHI Jie-Ping, SHAN An-Liang, YU Ya-Qin

Journal of Jilin University(Medicine Edition) . 2010, (4): 787 -793 .