Sources

1. Prentice Hall, page 330

2. http://www.csa.com/discoveryguides/gmfood/overview.php

3. http://www.actionbioscience.org/biotech/pusztai.html

4. http://www.actionbioscience.org/biotech/sakko.html

5. http://www.actionbioscience.org/biotech/altieri.html