Serial Ketamine Infusions for Treatment-Resistant Bipolar Depression - Diana K. Orsini; Sara Di Luch; George Tomlinson; Gabrielle F. M. Lovell; Shreya Vasudeva; Nelson B. Rodrigues; Danica E. Johnson; Alastair J. Flint; Cristian-Daniel Llach; Roger S. McIntyre; Rodrigo B. Mansur; Keyvan Karkouti; et al. (JAMA Psychiatry, 2026)