Cossu, F., Spanu, C., Deidda, S., Mura, E., Casti, D., Pala, C., Lamon, S., Spanu, V., Ibba, M., Marrocu, E., Scarano, C., Piana, A. and De Santis, E.P.L. 2016. Listeria spp. and Listeria monocytogenes contamination in ready-to-eat sandwiches collected from vending machines. Italian Journal of Food Safety. 5, 2 (May 2016). DOI:https://doi.org/10.4081/ijfs.2016.5500.