L. Melcarne, A. Ricciardelli, R. Melandri, M. Farinatti, A. Gatti, and S. Occhionorelli, “Centralization of politrauma. Study of Ferrara’s reality and simulation of an agreed-upon protocol”, Emerg Care J, vol. 7, no. 3, pp. 15–19, Sep. 2011.