共 10 条
- [1] [Anonymous], 2006, 2006 Sleep in American poll: summary of findings
- [2] COLTEN HR, 2006, I MED NATL ACAD SLEE
- [4] Harpaz Rafael, 2007, Morbidity and Mortality Weekly Report, V57, P1
- [5] LAIRD J, 2009, 2008053 NCES US DEP
- [9] Wahlstrom K., 2002, NASSP BULL, V86, P3
- [10] Wolfson AR, 1998, CHILD DEV, V69, P875, DOI 10.2307/1132351