1. Intestinal blood flow
2. A.P. SHEPHERD, L.C. MAXWELL and E.D. JACOBSON, Measurement of Blood Flow
3. Applications to the Splanchnic Circulation;Shepherd,1981
4. G.A. HOLLOWAY, JR., Non-Invasive Physiological Measurements, Academic Press, Inc., London, in press.
5. Differential Doppler Heterodyning Technique