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Economic Impact of a Ban on the Use of Over the Counter Antibiotics in U.S. Swine Rations
Hayes, Dermot J., (2001)
FAPRI 2008 U.S. And World Agricultural Outlook
Carriquiry, Miguel A., (2008)
Use of U.S. Croplands for Biofuels Increases Greenhouse Gases Through Emissions from Land-Use Change
Searchinger, Timothy, (2008)