1. Brinker, R. A., King, D. L., Taveras, J. M. (1965) Echoencephalography.Am. J. Roentg. 93, 781–790.
2. Brylski, J. R. andIzenstark, J. L. (1965) Anatomic localisation of midline echo in sonograms of the Brain.Am. J. Roentg. 93, 811–815.
3. Campbell, J. K., Clark, J. M., White, D. N. andCurry, G. R. Pulsatile echoencephalography—a preliminary report. Paper given at American Institute of Ultrasound in Medicine—New Orleans November (1968).
4. Fisher, T. R. (1966) Source of the midline echo and its implications in echoencephalography.J. neurol. neurosurg. Psychiat. 29, 379–382.
5. Ford, R. andAmbrose, J. (1963) Echoencephalography —the measurement of the position of midline structures in the skull with high frequency pulsed ultrasound.Brain 86, 189–196.