3Lieberman IH,Dudeney S, Reinhardt MK, et al. Initial outcome and efficacy of " kyphoplasty" in the treatment of painful osteoporotic vertebral compression fractures. Spine ( Phila Pa 1976 ) , 2001,26 (14) :1631 - 1638.
4Garfin SR, Yuan HA, Reiley MA. New technologies in spine: kyphoplasty and vertebroplasty for the treatment of painful osteoporotic compression fractures. Spine (Phila Pa 1976) ,2001,26 (14) :1511 -1515.
5Aitken RC. Measurement of feelings using visual analogue scales. Proc R Soc Med, 1969,62 (10) :989 - 993.
6Papadopoulos EC, Edobor-Osula F, Gardner MJ, et al. Unipedicular balloon kyphoplasty for the treatment of osteopurotic vertebral compression fractures: early results. J Spinal Disord Tech,2008,21 (8) :589 -596.
7Tohmeh AG, Mathis JM, Fenton DC, et al. Biomeehanieal efficacy of Unipedicular versus bipedieular vertebroplasty for the management of osteoporotic compression fractures. Spine, 1999,24 ( 17 ) : 1772 - 1776.
8Kim AK, Jensen ME, Dion JE, et al. Unilateral transpedieular percutaneon vertebroplasty: initial experience. Radiology, 2002,3 : 737 - 741.
9Higgins KB, Harten RD, Langrana NA, el al. Biomechanieal effects of unipedicular vertebroplasty on intact vertebrae. Spine,2003,14: 1540 - 1578.
10MeLain RF, Ferrera L, Kabias M. Pedicle morphology in the upper thoracic spine: limits to safe screw placement in older patients. Spine ,2002,22:2467 - 2471.