Cossu, Francesca, Carlo Spanu, Silvia Deidda, Erica Mura, Daniele Casti, Carlo Pala, Sonia Lamon, Vincenzo Spanu, Michela Ibba, Elena Marrocu, Christian Scarano, Andrea Piana, and Enrico Pietro Luigi De Santis. 2016. “Listeria Spp. And Listeria Monocytogenes Contamination in Ready-to-Eat Sandwiches Collected from Vending Machines”. Italian Journal of Food Safety 5 (2). https://doi.org/10.4081/ijfs.2016.5500.