• Corpus ID: 27778550

The ten-twenty electrode system of the International Federation. The International Federation of Clinical Neurophysiology.

  title={The ten-twenty electrode system of the International Federation. The International Federation of Clinical Neurophysiology.},
  author={George H. Klem and Hans L{\"u}ders and Herbert H. Jasper and Christian Erich Elger},
  journal={Electroencephalography and clinical neurophysiology. Supplement},
Key MethodA drain guard is disclosed having a tubular body with a funnel-shaped portion at its upper end. The tubular body has an annular recess extending about the inside periphery thereof proximate the bottom end of the guard. The recess receives a sealing grommet therein for sealing the space between a tube on which the guard is positioned and the inner periphery of the tubular portion of the guard.

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