'The cow tipping point', Harpers
Tags: 2000s; 2002; 2002-10-1; 21st century; Agricultural biotechnology; Biology; Biotechnology; Ehrenfeld, David; Milk contamination; Moral and ethical aspects; Recombinant bovine somatotropin; United States
'A techno-pox upon the land', Harpers
Tags: 1990s; 1997; 1997-10-1; Agricultural biotechnology; Agricultural innovations; Biology; Biotechnology; Ehrenfeld, David; United States
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