Piras, F., F. Fois, R. Mazza, M. Putzolu, M. L. Delogu, P. G. Lochi, S. P. Pani, and R. Mazzette. “Salmonella Prevalence and Microbiological Contamination of Pig Carcasses and Slaughterhouse Environment”. Italian Journal of Food Safety, vol. 3, no. 4, Dec. 2014, doi:10.4081/ijfs.2014.4581.