Sarno, Eleonora, Adriano M.L. Santoro, and Nicola Costanzo. 2013. “Prevalence of Swine Hepatitis E Virus in Europe and Its Role As Emerging Zoonosis and Food-Borne Pathogen”. Italian Journal of Food Safety 2 (1):e13. https://doi.org/10.4081/ijfs.2013.945.