{Reference Type}: Letter {Title}: The Role of Atypicals With Regard to Weight Gain in Bipolar Disorder Treatment: Response to Mattes. {Author}: Najar H;Pålsson E;Landén M; {Journal}: Am J Psychiatry {Volume}: 181 {Issue}: 7 {Year}: 2024 Jul 1 {Factor}: 19.242 {DOI}: 10.1176/appi.ajp.20240061r