{Reference Type}: Letter {Title}: Efficacy of add-on blonanserin in treatment-resistant schizophrenia therapy: A retrospective cohort study. {Author}: Tang S;Wang S;Feng M;Fang Y;Lv L;Zhao X;Guo P;Yuan Y;Chen H; {Journal}: Asian J Psychiatr {Volume}: 91 {Issue}: 0 {Year}: 2024 Jan 12 {Factor}: 13.89 {DOI}: 10.1016/j.ajp.2023.103867