PT - JOURNAL ARTICLE ED - , TI - FARM PRODUCTS OF THE UNITED STATES AID - 10.1126/science.47.1209.213-a DP - 1918 Mar 01 TA - Science PG - 213--214 VI - 47 IP - 1209 4099 - http://science.sciencemag.org/content/47/1209/213.2.short 4100 - http://science.sciencemag.org/content/47/1209/213.2.full SO - Science1918 Mar 01; 47