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Logo of kjpainThis ArticleAims and ScopeInstructions to AuthorsE-SubmissionThe Korean Journal of Pain
Published online 2012 April 4. doi: 10.3344/kjp.2012.25.2.81

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The accuracy of needle entry by the guidance system was evaluated by comparing the distance and angles between preoperative magnetic resonance image (MRI) and the trace of postoperative computed tomography (CT). (A) Preoperative MRI, (B) Postoperative CT.

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