Trazodone Add-on in COVID-19-related Selective Serotonin Reuptake Inhibitor-resistant Post-traumatic Stress Disorder in Healthcare Workers: Two Case Reports. - De Berardis, Domenico; Fornaro, Michele; Ventriglio, Antonio; Valchera, Alessandro; Vellante, Federica; Pettorruso, Mauro; Martinotti, Giovanni; Fraticelli, Silvia; Di Giannantonio, Massimo (Clinical Psychopharmacology & Neuroscience, 2021)