title: Trends in food availability, 1909-2007.
authors.forename: Robert F
authors.initials: RF
authors.lastname: Powell
mesh_terms: D004032:Diet / Q000639:trends*; D005523:Food Supply / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D014481:United States