Open AccessEnergy Density, Portion Size, and Eating Occasions: Contributions to Increased Energy Intake in the United States, 1977–2006
Author(s) -
Kiyah J. Duffey,
Barry M. Popkin
Publication year - 2011
Publication title -
carolina digital repository (university of north carolina at chapel hill)
Language(s) - English
DOI - 10.17615/wn89-gq70
Subject(s) - portion size , energy (signal processing) , energy density , environmental science , statistics , physics , mathematics , chemistry , food science , engineering physics