Hyun, Seung-Jae Pedicle Screw Placement in the Thoracolumbar Spine Using a Novel, Simple, Safe, and Effective Guide-Pin : A Computerized Tomography Analysis. [electronic resource] - Journal of Korean Neurosurgical Society Jul 2015 - 9-13 p. digital Publication Type: Journal Article ISSN: 2005-3711 Standard No.: 10.3340/jkns.2015.58.1.9 doi