ContributorNetwork - COMMENTARY | A retired Purdue University professor outlined his concerns of genetically modified soybeans in a letter to U.S. Department of Agriculture Secretary Tom Vilsack.
Source: http://us.rd.yahoo.com/dailynews/rss/biotech/*http://news.yahoo.com/s/ac/20110404/hl_ac/8211789_genetically_modified_soybean_crisis_has_controversial_side
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