Di Mauro, R., V. Di Silvio, P. Bosco, D. Laquintana, and A. Galazzi. “Case Management Programs in Emergency Department to Reduce Frequent User Visits: A Systematic Review”. Acta Biomedica Atenei Parmensis, vol. 90, no. 6-S, July 2019, pp. 34-40, doi:10.23750/abm.v90i6-S.8390.