title: iPod touch-assisted instrumentation of the spine: is it accurate and reliable?
authors.affiliation: Department of Neurosurgery Chinese PLA General Hospital Beijing, China.
authors.forename: Xiaolei
authors.initials: X
authors.lastname: Chen
authors.forename: Bai-nan
authors.initials: BN
authors.lastname: Xu
authors.forename: Xin-guang
authors.initials: XG
authors.lastname: Yu
mesh_terms: D001863:Bone Screws; D005260:Female; D006801:Humans; D007090:Image Interpretation, Computer-Assisted / Q000379:methods*; D055539:MP3-Player; D008297:Male; D013122:Spinal Diseases / Q000601:surgery*; D013123:Spinal Fusion / Q000295:instrumentation* / Q000379:methods*