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Intraoperative posterior tibial evoked potential-baseline

Baseline measurement immediately after anesthetic induction. Left side cortical potentials: P37 31.7 msec; N45 36.7 msec; 1.15 microvolts; Left sided cervical potentials 23.8 msec; 0.45 microvolts; Right sided cortical potentials: p37 32.0 msec; N45 36.0 msec; 0.85 microvolts; Right sided cervical potentials 24.4 msec; 0.28 microvolts. (Contributed by Dr. Marcio A Sotero de Menezes.)

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