1. Van Dellen, T.R., “Ultrasound Useful in Detecting Disease,” Chicago Tribune, Nov. 6, 1972.
2. White, D.N., and Hudson, A.C., “The Future of A-mode Midline Echoencephalography,” Neurology, 21, February 1971.
3. For example, the works of J. Ambrose, K. Dussek, R. Ford, B. Friedell, F.J. and W.J. Fry, J.H. Galicich, D. Gordon, C.C. Grossman, S. Jepsson, E. Kazner, H.W. Kienast, G. Kossoff, L. Leksell, B. Lithander, W.M. McKinney, H.R. Müller, M. Oka et al, H.W. Pia, R.E. Schiagenhauff, W. Schiefer, K. Tanaka et al, S. Uematsu and A. Earl Walker, M. de Vlieger, D.N. White, J.B. Williams.
4. Baum, Gilbert, “Application of Ultrasound,” JAMA, 229:1065–1067, Aug. 19, 1974.
5. White, D.N., and Curry, G.R., “Absorption of Ultrasonic Emergy by the Skull”; White, D.N., and Stevenson, R.J., “The Causes of Changes in Amplitude of Intracranial Echo Pulsations”; both at American Institute of Ultrasound in Medicine, Seattle, 1974.