Treatment-resistant schizophrenia - a RCT on the effectiveness of repeated-dose sodium nitroprusside - Adelino, Marcelo P. M.; Nunes, Marcel V.; Nunes, Marielle F. Q.; Costa, Edivarley R.; Ajub, Elias; Mitrovitch, Milan P. B.; Ushirohira, Juliana Mayumi; Quarantini, Lucas C.; Hallak, Jaime Eduardo Cecilio; Lacerda, Acioly L. T. (Schizophrenia Research, 2021)