RT Journal Article SR Electronic T1 Zero tolerance of chemical pollutants in food and animal feed: European policies and public health JF Journal of Epidemiology and Community Health JO J Epidemiol Community Health FD BMJ Publishing Group Ltd SP 865 OP 866 DO 10.1136/jech.2008.083865 VO 63 IS 11 A1 Heberer, Thomas YR 2009 UL http://jech.bmj.com/content/63/11/865.abstract AB