1. Carotid artery velocity patterns in normal and stenotic vessels.
2. Barnes, R.W., Rittgers, S.E., Putney, W.: Screening for carotid artery disease: Comparison of plethysmographic and Doppler techniques, in Arteriopathies Cerebrales Extracranniennes Asymptomatiques . Edited by Robert Courbier., Medical Oberval, 1980, pp. 15-24.