Di Mauro, R., Di Silvio, V., Bosco, P., Laquintana, D. and Galazzi, A. 2019. Case management programs in emergency department to reduce frequent user visits: a systematic review. Acta Biomedica Atenei Parmensis. 90, 6-S (Jul. 2019), 34–40. DOI:https://doi.org/10.23750/abm.v90i6-S.8390.