Ketamine-induced altered states of consciousness: a systematic review of implications for therapeutic outcomes in psychiatric practices. - da Costa Gonçalves KT; de Tavares VDO; de Morais Barros ML; de Brito AJC; Cavalcanti-Ribeiro P; Palhano-Fontes F; Falchi-Carvalho M; Arcoverde E; Dos Santos RG; Hallak JEC; de Araujo DB; Galvão-Coelho NL (European archives of psychiatry and clinical neuroscience, 2025)