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1 Surgical treatment of Degenerative Lumbar Spinal Disorders Using the Graf System: over three year results
Ki Soo Kim, Young Soo Choi, Do Yong Kim, Yang Min Chung, Sun Yong Chung
J Korean Orthop Assoc.1997;32(4):1063-1069.   Published online 2018 October 23     DOI: http://dx.doi.org/10.4055/jkoa.1997.32.4.1063
   
2 Perioperative Complications in Elderly Patients Undergoing Lumbar Arthrodesis with Pedicle Screw Instrumentation in the Degenerative Lumbar Disorders - A Comparative Study between Posterolateral Fusion and Posterior Lumbar Interbody Fusion -
Kyung-Jin Song, Young-Jin Lim, Ji-Hun Song, Dong-Hun Ham
J Korean Soc Spine Surg.2008;15(3):183-189.   Published online 2008 February 12     DOI: http://dx.doi.org/10.4184/jkss.2008.15.3.183
   

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