Past, present, and future of the Food Guide Pyramid.
Davis
C A
CA
USDA, Center for Nutrition Policy and Promotion, Alexandria, VA 22302, USA.
Britten
P
P
Myers
E F
EF
D001364:Awareness; D004032:Diet / Q000592:standards*; D005502:Food / Q000145:classification*; D005544:Forecasting; D006293:Health Promotion; D006801:Humans; D015596:Nutrition Assessment; D018673:Nutrition Policy / Q000639:trends*; D052756:Nutritional Sciences / Q000193:education; D014481:United States