Association of ketamine with psychiatric symptoms andimplications forits therapeutic use and for understanding schizophrenia: A systematic review and meta-analysis by Beck, K, Hindley, G, Borgan, F, Ginestet, C, McCutcheon, R, Brugger, S, Driesen, N, Ranganathan, M, D'Souza, DC, Taylor, M, Krystal, JH, Howes, OD