title: Intraperitoneum insufflation of carbon dioxide increases epidural pressure in laparoscopic cholecystectomy.
authors.affiliation: Department of Anesthesiology, University of Tokyo, 7-3-1 Hongo, 113, Tokyo, Japan.
authors.forename: H L
authors.initials: HL
authors.lastname: Du
authors.forename: M
authors.initials: M
authors.lastname: Hayashita
authors.forename: K
authors.initials: K
authors.lastname: Hanaoka