%0 Journal Article %B American Journal of Epidemiology %D 2009 %G eng %M 19651664 %P 805-13 %T Cross-sectional and longitudinal associations between objectively measured sleep duration and body mass index: the CARDIA Sleep Study %V 170 %7 2009/08/05 %@ 1476-6256 (Electronic)0002-9262 (Linking)