Marozzi, S., Tolli, R., Bilei, S., Ricci, D., Rossi, C. and Bossù, T. 2015. Two episodes of listeriosis in pregnancy and newborns: investigation, problems and considerations. Italian Journal of Food Safety. 4, 2 (Jun. 2015). DOI:https://doi.org/10.4081/ijfs.2015.4567.