title: A-Mode ultrasound guidance for pedicle screw advancement in ovine vertebral bodies.
authors.affiliation: Department of Anesthesiology, Keck School of Medicine, University of Southern California Health Sciences Center, Los Angeles, CA 90033, USA. draphael@usc.edu
authors.forename: David T
authors.initials: DT
authors.lastname: Raphael
authors.forename: Jin Ho
authors.initials: JH
authors.lastname: Chang
authors.forename: Yao Ping
authors.initials: YP
authors.lastname: Zhang
authors.forename: David
authors.initials: D
authors.lastname: Kudija
authors.forename: Thomas C
authors.initials: TC
authors.lastname: Chen
authors.forename: K Kirk
authors.initials: KK
authors.lastname: Shung