title: Trajectory avoiding kidney and ureter injury for percutaneous lumbar sympathetic block.
authors.affiliation: Department of Anesthesiology and Pain Medicine, Pusan National University School of Medicine, Busan, Korea.
authors.forename: Boo-Young
authors.initials: BY
authors.lastname: Hwang
authors.affiliation: Department of Anesthesiology and Pain Medicine, Pusan National University School of Medicine, Busan, Korea.
authors.forename: Tae Kyun
authors.initials: TK
authors.lastname: Kim
authors.affiliation: Department of Anesthesiology and Pain Medicine, Pusan National University School of Medicine, Busan, Korea.
authors.forename: Yun-Hee
authors.initials: YH
authors.lastname: Han
authors.affiliation: Department of Anesthesiology and Pain Medicine, Pusan National University School of Medicine, Busan, Korea.
authors.forename: Jae Young
authors.initials: JY
authors.lastname: Kwon
authors.affiliation: Department of Anesthesiology and Pain Medicine, Pusan National University School of Medicine, Busan, Korea.
authors.forename: Hae-Kyu
authors.initials: HK
authors.lastname: Kim