椎弓根皮质劈裂经伤椎置钉内固定的生物力学研究
추궁근피질벽렬경상추치정내고정적생물역학연구
Biomechanical Study of the Influence on the Stability for the Pedicle Screws Fixation by Injured Vertebral Screw in the Pedicle Cortex Perforation
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