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. 2017 Jun 1;86(Suppl 1):38–40. doi: 10.1016/j.bjorl.2017.05.003

Figure 2.

Figure 2

Intraoperative impedance. (A) The first measure (tip rollover); (B) second measure (reinsertion). The vertical red line marks the limit of the distal tip rollover (e18–e22).