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. 2019 Jul 9;13:708. doi: 10.3389/fnins.2019.00708

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Copyright © 2019 Ding, Hong, Li, Yao and Zhao.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A-a) CT scan and 3D-CT showed the path and position of the needle located in the right mental nerve, shown by the arrow; (B-b) CT scan and 3D-CT showed the path and position of the needle located in the right infraorbital nerve, shown by the arrow; (C-c) CT scan and 3D-CT showed the path and position of the needle located in the right supraorbital nerve, shown by the arrow; (D-d) CT scan and 3D-CT showed the path and position of the needle located in the right foramen ovale, shown by the arrow.