Survey of the contamination of foodstuffs of animal origin by Shiga toxin producing Escherichia coli serotype O157:H7 in Belgium from 1999 to 2003 Chahed, A and Ghafir, Y and China, B and Dierick, K and De Zutter, L and PiƩrard, D and Daube, G, Eurosurveillance, 10, 527 (2005), https://doi.org/10.2807/esm.10.03.00527-en