TY - JOUR T1 - Treatment-resistant bipolar depression: concepts and challenges for novel interventions JO - Brazilian Journal of Psychiatry A1 - Diaz, Alexandre P. A1 - Fernandes, Brisa S. A1 - Quevedo, Joao A1 - Sanches, Marsal A1 - Soares, Jair C. SN - 1516-4446 UL - 10.1590/1516-4446-2020-1627 VL - 44 Y1 - 2022 PB - Brasil ER -