Institution: | (1) Department of Anesthesiology, Dokkyo University School of Medicine, Tochigi-ken, Japan;(2) Department of Obstetrics and Gynecology, Dokkyo University School of Medicine, Tochigi-ken, Japan;(3) Department of Anesthesiology, Dokkyo University School of Medicine, 880 Kitakobayashi, Mibumachi, Shimotsuga-gun, Tochigi, 321-02, Japan |