PMH17 Healthcare Resource Utilization and Related Costs of Patients Affected By Treatment-Resistant Depression in Italy. - Perrone, V.; Sangiorgi, D.; Andretta, M.; Ducci, G.; Forti, B.; Francesa Morel, P.C.; Gambera, M.; Maina, G.; Mencacci, C.; Mennini, F.S.; Zanalda, E.; Degli Esposti, L. (Value in Health, 2020)