Paris, A., Sansebastiano, G., Zoni, R., Zanelli, R., Salmi, F., Bacci, C., Bonardi, S. and Brindani, F. 2008. EFFICIENCY OF VIRAL CONCENTRATION IN FOOD SAMPLES: COMPARISON BETWEEN PEG AND ULTRAFILTRATION TECHNIQUES. Italian Journal of Food Safety. 1, 2 (Dec. 2008), 69–70. DOI:https://doi.org/10.4081/ijfs.2008.1059.