title: Regional block: who first thought of such an approach?
authors.affiliation: Department of Anesthesiology, Sapporo Medical University School of Medicine, South 1, West 16, Chuo-ku, Sapporo, Hokkaido, 060-8543, Japan. yamakage@sapmed.ac.jp.
authors.forename: Michiaki
authors.identifier: 0000-0002-6226-2669
authors.initials: M
authors.lastname: Yamakage
keywords: Caudal block; Epidural block; Regional block; Spinal block