<https://meridian.allenpress.com/jaaha/article/52/2/102/183277/Evaluating-Femoral-Sciatic-Nerve-Blocks-Epidural>
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<https://dx.doi.org/10.5326/JAAHA-MS-6278>
<https://meridian.allenpress.com/jaaha/article-abstract/52/2/102/183277/Evaluating-Femoral-Sciatic-Nerve-Blocks-Epidural?redirectedFrom=fulltext>