Associations between glutamate and cerebral blood flow in treatment-resistant schizophrenia during clozapine treatment. - Sun J; Zelaya F; Sendt KV; McQueen G; Gillespie AL; Lally J; O'Daly O; Lythgoe DJ; Howes OD; Barker GJ; McGuire P; MacCabe JH; et al. (Journal of psychopharmacology (Oxford, England), 2026)