Enlund M, Ahlstedt B, Revenäs B, Krekmanov L, Ronquist G. Adverse effects on the brain in connection with isoflurane-induced hypotensive anaesthesia. Acta Anaesthesiol Scand. 1989 Jul;33(5):413–5. doi: 10.1111/j.1399-6576.1989.tb02935.x. PMID: 2552735.