[1]Department of Neurosurgery;
Spine Center;
Seoul National University Bundang Hospital;
Seoul National University College of Medicine;
Seongnam 463-707;
Gyeonggi;
South Korea;
[1]Department of Neurosurgery;
Spine Center;
Seoul National University Bundang Hospital;
Seoul National University College of Medicine;
Seongnam 463-707;
Gyeonggi;
South Korea;
Motor-evoked potentials; Somatosensoryevoked potentials; Intraoperative neurophysiological monitoring; Direct wave; Spinal surgery;