International Journal of Thyroidology

Fig. 1.

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Fig. 1. Various alternative IONM systems using needle and skin electrode. (A) Trans-cartilage needle electrode, (B) trans-cartilage surface electrode, (C) trans-cutaneous needle electrode, (D) trans-cutaneous surface electrode.
Int J Thyroidol 2022;15:17-22 https://doi.org/10.11106/ijt.2022.15.1.17
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