1. : Evoked Potentials in Clinical Medicine. New York, Raven, 1983, p 22.
2. : Manual of Nerve Conduction Velocity and Somatosensory Evoked Potentials. New York, Raven Press, 1987.
3. : Electrodiagnosis of Neuromuscular Diseases. 3rd ed. Baltimore, Williams & Wilkins, 1983, pp 116-117.
4. : Statistics, Principles and Methods. New York, Wiley, 1985, p 160.
5. Correlation studies of velocity, amplitude, and duration in median nerves