W R Felix

A doppler ultrasound method for distinguishing laminar from turbulent flow. A preliminary report.

B. Sigel, A. Edelstein, W. R. Felix, 1970, The Journal of surgical research.

Compression of the deep venous system of the lower leg during inactive recumbency.

B. Sigel, A. Edelstein, W. R. Felix, 1973, Archives of surgery.