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Fentanyl-mediated reduction in the bispectral index and 95% spectral edge frequency is age-dependent
N. Anzawa a1, K. Hirota a1c1, M. Kitayama a1, T. Kushikata a1andA. Matsuki a1 a1 Department of Anesthesiology, School of Medicine, University of Hirosaki, Hirosaki, Japan
Correspondence: c1 Correspondence to: Kazuyoshi Hirota, Department of Anesthesiology, University of Hirosaki School of Medicine, Hirosaki 036-8563, Japan. E-mail: firstname.lastname@example.org; Tel: +81 172 33 5113; Fax: +81 172 39 5112